| 单词 | ozone layer |
| 例句 | Zeus’s gaze was as far away as the ozone layer. Blood of Olympus 2014-10-07T00:00:00Z “He’s becoming a man. Men act strange from time to time, and I am worried about what the hole in the ozone layer is doing to the plants in the rain forest.” Lawn Boy 2007-06-12T00:00:00Z They also knew radiation levels were higher beyond the ozone layer. The Immortal Life of Henrietta Lacks 2010-02-02T00:00:00Z In addition to war and crime and cruelty, we have to worry about environmental problems—about pollution, the growing hole in the ozone layer, the greenhouse effect, and global warming. My Life with the Chimpanzees 1988-03-01T00:00:00Z One that’s particularly well aimed could destroy Earth’s ozone layer, leading to crop failures, not to mention widespread blindness. That’s All, Folks: A Serious Joke Book About Climate Change 2022-05-13T04:00:00Z The hole in the ozone layer will give you skin cancer, and mercury in tuna fish will make your kids stupid. Polar bears just might outlive us all 2012-12-30T16:00:00Z By drawing in these references from classic science fiction, Monae joins a rich history of black artists looking beyond the ozone layer. Janelle Monae puts the android into R&B 2010-05-27T13:44:00Z Crop yields won’t just be affected by global warming but also by the ozone layer. Pick your doomsday: 9 end-of-the-world theories that will haunt your dreams 2014-08-03T04:00:00Z But it would be quite nice if you got something out of it too, so I'd like you to burn up the ozone layer and create some of your own memories. Digested read: Jamie Does ... by Jamie Oliver 2010-04-05T23:05:00Z “I didn’t know what it was,” he said, “but started looking into concepts such as fair trade and ozone layer.” For a Filmmaker, the Green Things in Life Are Free 2011-01-30T02:13:01Z These refrigerants, which had a global warming impact radically lower than HFCs, offered the prospect of protecting both the ozone layer and the climate. Coca-Cola’s biggest challenge in greening its operations is its own global marketing strategy 2023-05-23T04:00:00Z In 1975, he earned praise for an article in New Times magazine exposing the federal government’s lack of action regarding the dangers of aerosol sprays to the ozone layer. Michael Drosnin, Who Found Clues in the Bible, Is Dead at 74 2020-06-19T04:00:00Z I'm going to put it down to the hole in the ozone layer above Australia! 2010-01-28T08:23:00Z An eager science student growing up, Garner, 40, said the conference's terminology - and warnings - about the ozone layer and ultraviolet rays isn't lost on her. Jennifer Garner loves pictures of bearded Affleck 2013-03-14T15:15:09Z Deploy billions of CICADAs in geosynchronous orbit over the hole in the ozone layer. Style Invitational Week 1132: You and what army? 2015-07-08T04:00:00Z It’s 15 years in the future and a decade since a solar flare turned Earth into an irradiated dust bowl and the ozone layer into Swiss lace. ‘Finch’ Review: Three for the Road 2021-11-04T04:00:00Z Or perhaps the hole in the ozone layer; the science is a bit vague. Movie Review: ?4:44 Last Day on Earth,? With Willem Dafoe 2012-03-22T22:34:19Z The hole in the ozone layer was first spotted from this site in 1985. Halley VI research station, Antarctica – review 2013-02-10T08:00:03Z The findings highlight the faint but real risk of a closer burst destroying Earth’s protective ozone layer. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z Initially designed to map the ozone layer surrounding the planet in the ultraviolet, UVIS-NOMAD covers a spectral range extending from the near ultraviolet to red. Glow in the visible range detected for the first time in the Martian night 2023-11-09T05:00:00Z Nitrous oxide also damages the the ozone layer, which helps protect life on Earth from harmful radiation from the sun. What is nitrous oxide and why is it being banned? 2023-11-08T05:00:00Z That’s because liquid water in the upper atmosphere gives a place for chlorine and bromine to perch and then eat away at the ozone layer, making the annual fall hole bigger, Newman said. Ozone hole is about average size, despite undersea volcano eruption that was expected to worsen it 2023-11-01T04:00:00Z There's a great quote I'll share when the loss of the ozone layer was first being recognized as a problem,and they were trying to regulate CFCs. Lies, damned lies and "corporate bulls**t": A consumer's guide to bad-faith arguments 2023-10-29T04:00:00Z “It would destroy the ozone layer,” which shields living things from the Sun’s harmful ultraviolet light, he says. Cosmic blast seared Earth’s atmosphere from 2 billion light-years away 2023-11-14T05:00:00Z Now scientists have found another pollutant to worry about: vaporized metals from burned-up space junk that are floating around in Earth’s stratosphere, the same atmospheric region that holds our planet’s fragile, protective ozone layer. Space Junk Is Polluting Earth’s Stratosphere with Vaporized Metal 2023-10-26T04:00:00Z We did something similar with the ozone layer. The World Solved Acid Rain. We Can Also Solve Climate Change 2023-10-25T04:00:00Z The ozone hole and thinning ozone layer has improved a bit thanks to the 1987 Montreal Protocol, when countries in the world agreed to stop producing many of the chemicals that deplete ozone, Newman said. Ozone hole is about average size, despite undersea volcano eruption that was expected to worsen it 2023-11-01T04:00:00Z It can also attack the Earth’s protective ozone layer. Scientists Explore Pulling Potent Methane Out of the Air to Curb Warming 2023-10-20T04:00:00Z This pollutes the environment and contributes to the loss of biological diversity, to climate change, and to the degradation of the ozone layer. More sustainable agriculture by global redistribution of nitrogen fertilizer 2023-10-16T04:00:00Z The investigation revealed that the metals are accumulating within sulfuric acid particles, which constitute most of the stratosphere’s particulates and influence our world’s ozone layer and climate. Space Junk Is Polluting Earth’s Stratosphere with Vaporized Metal 2023-10-26T04:00:00Z The Space Age is leaving fingerprints on one of the most remote parts of the planet -- the stratosphere -- which has potential implications for climate, the ozone layer and the continued habitability of Earth. Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars 2023-10-16T04:00:00Z It could weaken the stratospheric ozone layer that protects us and Earth's biosphere from ultraviolet radiation. It’s Time to Engineer the Sky 2023-09-20T04:00:00Z Under this pact, countries have reduced their use of ozone-depleting chemicals, allowing the protective ozone layer high in the atmosphere to recover. Humans Have Crossed 6 of 9 ‘Planetary Boundaries’ 2023-09-13T04:00:00Z Studies have suggested that solar geoengineering could come with an array of unintended consequences, including negative effects on precipitation and other weather patterns around the world and possible damage to the Earth’s ozone layer. A Sun Shield over Earth? Catch an Asteroid, and It Might Work 2023-08-01T04:00:00Z In 2004, chemical manufacturers began to phase out methyl bromide, another chemical widely used to fumigate soils, because it harms Earth’s ozone layer. Newly discovered chemical is a highly targeted killer of parasitic worms 2023-05-25T04:00:00Z That mass of metal is changing atmospheric chemistry in ways that may impact Earth's atmosphere and ozone layer. Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars 2023-10-16T04:00:00Z That doesn’t mean the treaty has saved the Arctic, the way it saved the ozone layer. Ozone Treaty Delayed Arctic Melting by 15 Years 2023-05-23T04:00:00Z The gamma-ray burst would have stripped away the Earth’s ozone layer causing intense ultraviolet radiation from the sun and may account for climate changes observed at the time. Fundamentals of Biology 2015-01-01T00:00:00Z The Montreal Protocol of 1987 was a global agreement to ban and phase out specific chemicals in industrial and consumer products in the expectation that natural processes would restore the Earth’s ozone layer. World History: from 1400 2022-12-14T00:00:00Z The Earth’s ozone layer is on track to recover to its pre-1980s condition within a few decades. A Mysterious Rise in Banned Chemicals Is Warming the Planet 2023-04-04T04:00:00Z Nearly 10% of large sulfuric acid particles -- the particles that help protect and buffer the ozone layer -- contained aluminum and other spacecraft metals. Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars 2023-10-16T04:00:00Z It effectively saved the Earth’s delicate ozone layer, which protects the planet from harmful ultraviolet radiation, and the “ozone hole” in the atmosphere is on track to fully recover within a few decades. Ozone Treaty Delayed Arctic Melting by 15 Years 2023-05-23T04:00:00Z Solar geoengineering risks and side effects range from possible damage to the earth’s ozone layer to inadvertent changes in global precipitation patterns. Geoengineering Is Not a Quick Fix for the Climate Crisis, New Analysis Shows 2023-04-03T04:00:00Z The accord went into effect almost immediately, and the ozone layer has been steadily recovering ever since. World History: from 1400 2022-12-14T00:00:00Z CFCs are widely known for having depleted the Earth's atmospheric ozone layer through the 1980s. A Mysterious Rise in Banned Chemicals Is Warming the Planet 2023-04-04T04:00:00Z What effect that could have on the atmosphere, the ozone layer and life on Earth is yet to be understood. Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars 2023-10-16T04:00:00Z Just a few years prior, the world was starting to get anxious about the vanishing ozone layer. Just how good were Exxon’s climate projections? 2023-03-26T04:00:00Z Even a regional nuclear war would damage the ozone layer, block out sunlight and reduce precipitation globally. Will Humans Ever Go Extinct? 2023-03-21T04:00:00Z Freon began to be phased out in 1987 because it was destroying Earth's ozone layer. Fixing the Hated Open-Design Office 2023-03-20T04:00:00Z The five mystery CFCs are causing little damage to the ozone layer, the study says, but the climate impacts are substantial. A Mysterious Rise in Banned Chemicals Is Warming the Planet 2023-04-04T04:00:00Z Without the ozone layer, life would likely never have arisen on Earth. Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars 2023-10-16T04:00:00Z In the months after the wildfires, the hole in the ozone layer, which appears annually over Antarctica, was larger and lasted longer than in previous years. Australia's Massive Wildfires Shredded the Ozone Layer—Now Scientists Know Why 2023-03-10T05:00:00Z Releasing aerosols into the stratosphere, for instance, could damage the ozone layer, which protects people and the planet from the sun's cancer-causing ultraviolent rays. Solar Geoengineering Should Be Regulated, U.N. Report Says 2023-02-28T05:00:00Z Some carry sensors that explore the health of the ozone layer, which protects living things from the sun’s ultraviolet rays. A Rising Awareness That Balloons Are Everywhere in Our Skies 2023-02-14T05:00:00Z The new study highlights the importance of long-term monitoring, Western said, especially because ozone-depleting substances often have implications for the climate as well as the ozone layer. A Mysterious Rise in Banned Chemicals Is Warming the Planet 2023-04-04T04:00:00Z The ozone layer came under threat from chlorofluorocarbons in the 1980s, and only coordinated, sustained global efforts of governments and corporations have begun to bear fruit in repairing and replenishing it. Signatures of the Space Age: Spacecraft metals left in the wake of humanity's path to the stars 2023-10-16T04:00:00Z Remnant chlorine is bound up as hydrochloric acid and chlorine nitrate, which are harmless to the ozone layer. Australia's Massive Wildfires Shredded the Ozone Layer—Now Scientists Know Why 2023-03-10T05:00:00Z Mars doesn't have much of an atmosphere, an electromagnetic field or an ozone layer, three things which make life a lot more comfortable on Earth. Why humans may not be able to live on Mars without horrific health consequences 2023-02-07T05:00:00Z The lessons of the recovery of the ozone layer can be summed up in eight simple words: "We caused these problems; we can solve them." GOP mocked Al Gore as "Ozone Man": But he was right the whole time — and they knew it 2023-02-06T05:00:00Z The weakened ozone layer, which is vital to protecting life on Earth, is on track to be restored to full strength within decades, according to a U.N.-backed assessment. The New Soldiers in Propane’s Fight Against Climate Action: Television Stars 2023-01-11T05:00:00Z The ozone layer could recover within a few decades, scientists said, after China nearly eliminated rogue chemical emissions. Brazil and Jan. 6 2023-01-10T05:00:00Z But Solomon says that more-frequent wildfires resulting from climate change could imperil the recovery of the ozone layer. Australia's Massive Wildfires Shredded the Ozone Layer—Now Scientists Know Why 2023-03-10T05:00:00Z Mars doesn't have much of an atmosphere, an electromagnetic field or an ozone layer, three things which make life a lot more comfortable on Earth. Why humans may not be able to live on Mars without horrific health consequences 2023-02-07T05:00:00Z One of the places to benefit most from healing the ozone layer isAmerica's Sunshine State, Florida. GOP mocked Al Gore as "Ozone Man": But he was right the whole time — and they knew it 2023-02-06T05:00:00Z The CFC-11 emissions, like other chlorofluorocarbon emissions, would break apart ozone molecules in the stratosphere resulting in an increasingly thin ozone layer. 90% of humans will suffer extreme heat, drought due to climate change: report 2023-01-10T05:00:00Z The scale for the thickness of the ozone layer ranges from 0 to 500 Dobson units. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z Massive wildfires that raged across southeast Australia in 2019–20 unleashed chemicals that chewed through the ozone layer, expanding and prolonging the ozone hole. Australia's Massive Wildfires Shredded the Ozone Layer—Now Scientists Know Why 2023-03-10T05:00:00Z Recovery of the ozone layer could happen within a few decades, scientists said in a U.N.-backed report, as China has nearly eliminated rogue chemical emissions. Your Tuesday Briefing 2023-01-10T05:00:00Z Wouldn't it be better to deal with the climate crisis as we dealt with the ozone layer — by attacking the problem at its source? GOP mocked Al Gore as "Ozone Man": But he was right the whole time — and they knew it 2023-02-06T05:00:00Z A U.N.-backed report found that the ozone layer could be restored within a few decades, now that China has begun successfully cracking down on rogue emissions of a banned chemical. Your Tuesday Briefing: Brazil Quiets 2023-01-09T05:00:00Z The scale for the thickness of the ozone layer ranges from 0 to 500 Dobson units. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z Human action to save the ozone layer has worked as hoped, and it may recover in just decades, the UN says. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z A third generation of those chemicals, called HFC, was banned a few years ago not because it would eat at the ozone layer but because it is a heat-trapping greenhouse gas. UN says ozone layer slowly healing, hole to mend by 2066 2023-01-09T05:00:00Z The protective ozone layer in the upper atmosphere could be restored within several decades, scientists said Monday, as recent rogue emissions of ozone-depleting chemicals from China have been largely eliminated. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z But in the 1970s, researchers found CFCs are partially responsible for destroying the Earth’s ozone layer, and companies stopped using them and eventually switched to other aerosol technologies, including butane-based propellants. Aerosol hair products tainted by benzene may still be on store shelves 2022-11-01T04:00:00Z As a result, the ozone layer — which blocks ultraviolet sunlight from reaching Earth’s surface — continues to slowly thicken. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z The ozone layer is a thin part of the Earth's atmosphere that absorbs most of the ultraviolet radiation from the Sun. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z The report also warned that efforts to artificially cool the planet by putting aerosols into the atmosphere to reflect the sunlight would thin the ozone layer by as much as 20% in Antarctica. UN says ozone layer slowly healing, hole to mend by 2066 2023-01-09T05:00:00Z Dr. Montzka and others had said the rogue emissions, if they continued, could delay recovery of the ozone layer by as long as a decade. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z Once seen as a solution to using other chemicals that deplete Earth’s protective ozone layer, the heat-trapping properties of hydrofluorocarbons have become a serious problem. EPA to further slash emissions from climate super-pollutants 2022-10-20T04:00:00Z At this rate, the ozone layer could recover to 1980s levels across most of the globe by the 2040s, and by 2066 in Antarctica, the report concludes. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z The ozone layer began depleting in the 1970s. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z Chlorine and bromine chemicals high in the atmosphere eat at Earth’s protective ozone layer. Ozone hole grows this year, but still shrinking in general 2022-10-13T04:00:00Z The report said the rogue emissions had most likely delayed ozone layer recovery by a year. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z The Montreal Protocol didn’t just preserve the ozone layer, it helped save Earth from a climate change time bomb. How the Montreal Protocol Helped Save Earth from a Climate Time Bomb 2022-09-23T04:00:00Z Still, it is possible forthcoming data on ozone levels will prompt some concerns that the ozone layer is not recovering as quickly as the report concludes, he said. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z It says that, if current policies are maintained, the ozone layer will be restored to 1980 values - before the ozone hole appeared - at different points in different places: Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z The injection of what the researchers estimated was at least 55 million tons of water vapor into the stratosphere may also temporarily cause more depletion of the protective ozone layer in the atmosphere, they said. The Tonga volcano shook the world. It may also affect the climate 2022-09-22T04:00:00Z The protocol “exists to protect the ozone layer, and we’ve done a pretty good job of it in dealing with ozone-depleting substances,” he said. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z Yet every nation signed on, accepting binding commitments to reduce the production, consumption and emissions of chemicals responsible for thinning the ozone layer that guards the planet from the sun’s most damaging radiation. How the Montreal Protocol Helped Save Earth from a Climate Time Bomb 2022-09-23T04:00:00Z The scale for the thickness of the ozone layer ranges from 0 to 500 Dobson units. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z But saving the ozone layer has had a positive knock-on effect on global warming, the report suggests, because some of the harmful chemicals that were phased out are powerful greenhouse gases. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z The Kigali agreement was an amendment to the Montreal Protocol, the landmark 1987 treaty designed to repair the ozone layer by banning coolants called chlorofluorocarbons, or CFCs, that were thinning the layer. Senate Ratifies Pact to Curb a Broad Category of Potent Greenhouse Gases 2022-09-21T04:00:00Z But it “will not destroy the ozone layer and create catastrophic consequences,” he said. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z Fahey said there was some understanding among scientists from the start that CFCs played a role in driving climate change as well as depleting the ozone layer. How the Montreal Protocol Helped Save Earth from a Climate Time Bomb 2022-09-23T04:00:00Z The scale for the thickness of the ozone layer ranges from 0 to 500 Dobson units. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z While the report has been hailed as good news - and evidence that rapid, international action to avert environmental crises can work - it warns that continued progress on the ozone layer is not guaranteed. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z Chemical companies responded to the 1987 agreement by developing HFCs, which do not harm the ozone layer but have turned out to be a significant driver of global warming. Senate Ratifies Pact to Curb a Broad Category of Potent Greenhouse Gases 2022-09-21T04:00:00Z While these chemicals do not damage the ozone layer, they act as extremely potent greenhouse gases, trapping heat in the atmosphere 1,000 times more effectively than carbon dioxide. Opinion | The Senate might pass another important climate measure 2022-09-20T04:00:00Z “The great news is that we avoided all of that, and we not only saved the ozone layer, we actually had a tremendous win for the climate as well,” she said. How the Montreal Protocol Helped Save Earth from a Climate Time Bomb 2022-09-23T04:00:00Z The scale for the thickness of the ozone layer ranges from 0 to 500 Dobson units. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z For example, proposals to limit global warming by sending millions of tonnes of sulphur dioxide into the upper atmosphere - known as stratospheric aerosol injection - could drastically reverse the ozone layer's recovery. Ozone layer may be restored in decades, UN report says 2023-01-09T05:00:00Z A study found that the Black Summer bush fires in Australia damaged the ozone layer, ABC reported. Your Monday Briefing: Record Heat Disrupts China 2022-08-28T04:00:00Z The ozone layer helps absorb incoming ultraviolet radiation from the sun, shielding life on Earth from its harmful effects, such as skin cancer and cataract formation. Australia fires damaged ozone layer, caused major warming, study says 2022-08-25T04:00:00Z Chemicals that deplete the ozone layer were largely phased out through the 1987 Montreal Protocol and subsequent amendments. Tonga volcano blasted unprecedented amount of water into atmosphere 2022-08-05T04:00:00Z As an important illustration of homogeneous catalysis, consider the earth’s ozone layer. Chemistry 2019-02-14T00:00:00Z Earth's ozone layer removes high-energy ultraviolet radiation, uv-c, from the solar radiation received at the surface. Biology for AP Courses 2022-06-09T00:00:00Z To make matters worse, unlike Earth, Mars does not have a magnetic field and ozone layer to protect the surface from harmful solar ultraviolet radiation and energetic particles. Astronomy 2016-10-13T00:00:00Z In 1985, after scientists discovered that some aerosol sprays were causing holes in the ozone layer in the atmosphere, 20 countries initiated the Montreal Protocol, which banned the use of these sprays. Introduction to Philosophy 2022-06-15T00:00:00Z One oft-cited example is the ozone hole, where scientists spoke up in support of banning the chemicals that were destroying Earth's ozone layer. The Public Wants Scientists to Be More Involved in Policy Debates 2022-08-21T04:00:00Z Nitric oxide reacts with ozone, and it has been suggested that this could contribute to depletion of the ozone layer. Chemistry 2019-02-14T00:00:00Z The depletion of the ozone layer, erosion due to acid rain, and damage from global climate change are caused by human activities. Biology for AP Courses 2022-06-09T00:00:00Z One effect might be a reduction in the ozone layer and a cooling of the stratosphere near Earth’s poles. Astronomy 2016-10-13T00:00:00Z That’s without taking into account the effects of increased ultraviolet radiation on crops due to the destruction of the ozone layer caused by the heating of the stratosphere, Robock said. As risk of nuclear war grows, study warns that even a limited exchange would doom billions 2022-08-15T04:00:00Z Separate research from MIT on the Australian fires found that their smoke plumes depleted the ozone layer, which protects the Earth from ultraviolet radiation. McKinney fire has hit the stratosphere, spewing the 'fire-breathing dragon of clouds' 2022-08-03T04:00:00Z The device, fitted with a gas chromatograph, was with Dr. Lovelock on his Antarctic voyage, and his findings helped confirm links between chlorofluorocarbons and the hole in the ozone layer. James Lovelock, creator of Gaia theory of ‘living’ Earth, dies at 103 2022-07-28T04:00:00Z The currently accepted explanation is that the low-oxygen atmosphere of early Earth had no ozone layer to filter out the solar ultraviolet radiation that damages DNA. Biology for AP Courses 2022-06-09T00:00:00Z High above Earth, the water will likely react with other chemicals, potentially degrading the ozone layer that protects us from ultraviolet light, and even changing the circulation of air currents that govern weather patterns. Massive undersea eruption filled atmosphere with water 2022-07-27T04:00:00Z In 1995, they and Dr. Paul Crutzen, of the Max Planck Institute in Germany, were given the Nobel Prize in Chemistry for their work in alerting the world to the thinning ozone layer. James Lovelock, Whose Gaia Theory Saw the Earth as Alive, Dies at 103 2022-07-27T04:00:00Z Methyl bromide, once the industry favorite, was banned more than a decade ago for its effect on the ozone layer, and has also been identified as a neurotoxin and respiratory irritant. California's strawberry fields may not be forever. Could robots help? 2022-07-26T04:00:00Z “UV radiation is getting stronger because the ozone layer is getting thinner,” Lin said. Why your sunscreen isn’t working 2022-07-23T04:00:00Z This layer, called the ozone layer, absorbs ultraviolet light and acts like global sunscreen. Miller & Levine Biology 2018-01-01T00:00:00Z That water will likely remain there for years, where it could eat away at the ozone layer and perhaps even warm Earth. Massive undersea eruption filled atmosphere with water 2022-07-27T04:00:00Z Changes on a global scale including depletion of the ozone layer, desertification and topsoil loss, and global climate change are caused by human activities. Environmental Biology 2018-09-06T00:00:00Z The degradation of the ozone layer in the atmosphere and the resulting increase in exposure to UV radiation has contributed to its rise. Anatomy and Physiology 2013-06-19T00:00:00Z “I’m concerned about the ozone layer for the future of my kids,” Walker said. California cities ban new gas stations in battle to combat climate change 2022-07-11T04:00:00Z Photosynthesis resulted in an oxygen-rich atmosphere, which developed the ozone layer and killed off anaerobic creatures living up till then. Miller & Levine Biology 2018-01-01T00:00:00Z "We incorporate these in a 3D atmospheric chemistry model to simulate the impact on climate and the protective stratospheric ozone layer." Elon Musk makes climate change worse: A new study confirms space tourism is destroying the planet 2022-06-29T04:00:00Z Unfortunately, the ozone layer that protects life on Earth from harmful UV light has been depleted due to human activities. Environmental Biology 2018-09-06T00:00:00Z Since CFCs were curtailed, the ozone layer has begun to heal itself. Opinion | To stop climate change, regulate carbon as a toxic substance 2022-06-20T04:00:00Z It is already being replaced by a group of chemicals that doesn’t damage the ozone layer. Ozone-destroying chemical is on the rise despite crackdown 2022-05-01T04:00:00Z As it turns out, changes in the Earth’s ozone layer can affect the circulation of air in the atmosphere. How Antarctica Has Changed Since Shackleton’s 1915 Shipwreck 2022-03-21T04:00:00Z The ozone layer is our main protection against the Sun’s damaging ultraviolet rays. World History: Patterns of Interaction 2012-01-01T00:00:00Z The ozone layer occurs in the region of the atmosphere called the stratosphere. Environmental Biology 2018-09-06T00:00:00Z United Nations environmental conventions have helped reduce acid rain, lessened marine pollution, and phased out the production of gases that destroy the ozone layer. Magruder's American Government 2016-01-01T00:00:00Z It amounts to a “small perturbation” in the ozone layer, he says, just a fraction of 1% of the ozone-damaging power of gases now in the atmosphere. Ozone-destroying chemical is on the rise despite crackdown 2022-05-01T04:00:00Z In the 1980s, Dr. Solomon’s research helped lead to a sweeping agreement to restore the ozone layer. These Climate Scientists Are Fed Up and Ready to Go on Strike 2022-03-01T05:00:00Z As the nuclear weapons rip into the atmosphere, they will destroy massive chunks of what is left of Earth's ozone layer. Nuclear winter, crop failures and fallout: What nuclear war would do to civilization 2022-03-01T05:00:00Z Tackling the issue of ozone layer destruction is an example of global cooperation that produced meaningful action on a large-scale environmental problem. Environmental Biology 2018-09-06T00:00:00Z Increasing wildfires in a warming world may slow the recovery of the ozone layer, according to new research. Wildfires may slow recovery of ozone layer - study 2022-02-28T05:00:00Z It will focus on issues including the ozone layer, vaccines and outer space debris. Germany's Merkel turns down U.N. job offer 2022-01-19T05:00:00Z “He used to say, ‘Don’t tell me that every time I squirt an underarm deodorant it’s going to penetrate the ozone layer,’ ” Quinn recalled. Thomas E. Lovejoy III, an ecologist who dedicated his career to preserving the Amazon rainforest, dies at 80 2021-12-27T05:00:00Z Produced to replace another class of chemicals that were eating up the ozone layer, HFCs themselves turned out to have a major drawback: They are hundreds of times more potent heat-trappers than carbon dioxide. Opinion | The Senate should eliminate these global warming super-culprits 2021-11-18T05:00:00Z In 1985, members of the British Antarctic Survey reported that a 50% reduction in the ozone layer had been found over Antarctica in the previous three springs, a very important finding. Environmental Biology 2018-09-06T00:00:00Z They said this could set back progress made in recent decades to ban chemicals that deplete the ozone layer. Wildfires may slow recovery of ozone layer - study 2022-02-28T05:00:00Z They replaced chemicals that depleted the Earth’s ozone layer, but much of the world is now swapping them out for more environmentally friendly alternatives. NHL touts ‘greener rinks’ while promoting powerful pollutants, advocates say 2021-11-17T05:00:00Z “They’re fairly nontoxic and they don’t deplete the ozone layer,” he said. N.H.L. Partnership With Chemical Company Leaves Environmental Watchdogs Cold 2021-11-17T05:00:00Z Widely used in both home and commercial cooling appliances, HFCs arrived on the market as a substitute for another set of dangerous chemicals that destroy the Earth’s protective ozone layer. Biden submits treaty fighting climate super-pollutants for Senate approval 2021-11-16T05:00:00Z The Montreal Protocol, as it is commonly called, controls the production and emission of 96 chemicals that damage the ozone layer. Environmental Biology 2018-09-06T00:00:00Z At mid latitudes the ozone layer is recovering at a rate of about 1% a decade. Wildfires may slow recovery of ozone layer - study 2022-02-28T05:00:00Z How did we deal with acid rain, for example, or the hole in the ozone layer? Climate change: The environmental disasters we've almost fixed 2021-10-24T04:00:00Z The extreme cold spurred the formation of polar stratospheric clouds, which reacted with ozone-depleting chemicals and the emerging light of the spring sun to thin the ozone layer. Research sheds light on how unusual North Pole ozone hole formed last year 2021-10-09T04:00:00Z That would also risk the stratospheric ozone layer, a fragile but essential resource that is now healing only thanks to a multi-decade global effort. Opinion | How Best to Save the Planet 2021-10-16T04:00:00Z Thus, it will take many more decades for the ozone layer to fully recover. Environmental Biology 2018-09-06T00:00:00Z Molina warned that the chlorine was attacking the ozone layer, which helps shield the Earth from harmful ultraviolet radiation from the sun. Landmark Ozone Treaty Could Prevent More Than 400 Million Cases of Cancer 2021-10-09T04:00:00Z Geoengineering might worsen air pollution or damage the global ozone layer, and it will certainly exacerbate some climate changes, making some regions wetter or drier even as it cools the world. Opinion | What’s the Least Bad Way to Cool the Planet? 2021-10-01T04:00:00Z The ozone layer filters harmful ultraviolet radiation, which can cause skin cancer and damage plants. Research sheds light on how unusual North Pole ozone hole formed last year 2021-10-09T04:00:00Z They replaced other chemicals that, when released into the atmosphere, eroded the Earth’s protective ozone layer. Greenhouse gases in grocery freezers are more powerful than carbon. The EPA now aims to slash their use. 2021-09-23T04:00:00Z Studies have shown that in the Antarctic the amount of UV-B measured at the surface can double due to thinning of the ozone layer. Environmental Biology 2018-09-06T00:00:00Z His findings were greeted with skepticism at first, but in 1985, three British scientists discovered a huge “hole” in the ozone layer over Antarctica. Landmark Ozone Treaty Could Prevent More Than 400 Million Cases of Cancer 2021-10-09T04:00:00Z In the late 1970s, the U.S. government pioneered the essential-use approach in restricting chemicals that harm Earth’s protective ozone layer. Maine’s ban on ‘forever chemicals’ marks a big win for some scientists 2021-08-27T04:00:00Z In the dire world avoided scenario, the ozone layer essentially collapses in the 2040s. Ozone Hole Would Have Killed Plants and Raised Global Temperatures 2021-08-20T04:00:00Z No matter what fuel the rockets use, they burn enormous amounts of propellants, depleting the ozone layer and emitting large quantities of heat-trapping greenhouse gases. Space tourism: Damaging ‘joy rides’ 2021-07-23T04:00:00Z Depletion of the stratospheric ozone layer occurs when molecules of ozone are destroyed by chemicals such as… Environmental Biology 2018-09-06T00:00:00Z They suggested a blast maybe just 60 light-years away could have drenched Earth in ultraviolet by depleting the ozone layer. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z The 1987 Montreal Protocol phased down the other refrigerants called chlorofluorocarbons and hydrochlorofluorocarbons that were burning a hole in the ozone layer, exposing people to more cancer-causing ultraviolet radiation from the sun. What to expect from the EPA’s new rules affecting air conditioners and refrigerators 2021-05-04T04:00:00Z While less dangerous to the ozone layer than CFCs, HFCs are also powerful greenhouse gases. Ozone Hole Would Have Killed Plants and Raised Global Temperatures 2021-08-20T04:00:00Z Widely used in refrigeration, as well as residential and commercial air conditioning and heat pumps, HFCs were developed as a substitute for chemicals that depleted the Earth’s protective ozone layer. Biden administration to propose first rule requiring cut in climate pollutants 2021-05-03T04:00:00Z After several years, ODS molecules eventually reach the ozone layer in the stratosphere, which starts at about 10 kilometers above the Earth’s surface. Environmental Biology 2018-09-06T00:00:00Z A cosmic ray barrage might have boosted mutation rates by eroding Earth’s protective ozone layer and generating showers of secondary, tissue-penetrating particles. Exploding stars may have assaulted ancient Earth 2021-07-15T04:00:00Z But when it was discovered they were causing a hole in the ozone layer in the 1980s, they were banned under the Montreal Protocol. The 'ghostbusters' who are helping tackle climate change 2021-04-18T04:00:00Z Each has its own risks and uncertainties: Particles released into the stratosphere, home of the ozone layer, are inherently global and long-lived, meaning they could have long-lasting effects. U.S. needs solar geoengineering research program, National Academies says 2021-03-25T04:00:00Z As gases such as CFCs degrade the stratospheric ozone layer, the Earth’s surface loses its protection against ultraviolet rays. Oceans May Emit More Ozone-depleting Gases 2021-03-17T04:00:00Z Areas where the ozone layer has thinned are commonly referred to as holes, although this is not entirely accurate because ozone is still present, it just exists at concentrations much lower than normal. Environmental Biology 2018-09-06T00:00:00Z The industry estimates that every year supermarkets lose an average of 25 percent of their refrigerant charge — chemicals introduced in the 1990s to replace ones depleting the Earth’s ozone layer. There’s an invisible climate threat seeping from grocery store freezers. Biden wants to change that. 2021-02-15T05:00:00Z Researchers say the recovery of the ozone layer is now "back on track". Ozone layer 'rescued' from CFC damage 2021-02-10T05:00:00Z Billions of pounds of chlorofluorocarbons were produced before it was discovered, in the 1980s, that the chemicals were destroying the ozone layer, which shields the Earth from ultraviolet radiation. Why call recent disasters ‘natural’ when they really aren’t? 2021-02-02T05:00:00Z Dr. Crutzen was initially known for his work on the ozone layer, the thin atmospheric shield that protects plants and animals from ultraviolet radiation. Paul J. Crutzen, Nobel laureate who studied ozone and named new ‘Anthropocene’ era, dies at 87 2021-01-29T05:00:00Z “He was the first to show how human activities damage the ozone layer.” Paul Crutzen, who shared Nobel for ozone work, has died 2021-01-28T05:00:00Z Those compounds — chlorofluorocarbons and hydrochlorofluorocarbons — damaged the ozone layer that shields the Earth from damaging ultraviolet rays from the sun. There’s an invisible climate threat seeping from grocery store freezers. Biden wants to change that. 2021-02-15T05:00:00Z The ozone layer is a thin part of the atmosphere which protects the Earth from harmful levels of ultraviolet radiation. UN film and game for teens focuses on protecting ozone layer 2021-01-24T05:00:00Z Public pressure and private-sector innovation successfully addressed the scourge of chlorofluorocarbons a generation ago, after scientists discovered their popular use was creating a dangerous hole in the Earth’s ozone layer. Editorial Roundup: South Carolina 2020-12-23T05:00:00Z His discovery marked a fundamental breakthrough in understanding the chemistry of the ozone layer and shook up the debate over manufacturing supersonic transport planes such as the Concorde. Paul J. Crutzen, Nobel laureate who studied ozone and named new ‘Anthropocene’ era, dies at 87 2021-01-29T05:00:00Z The Kigali agreement was an amendment to the Montreal Protocol, the landmark 1987 treaty designed to close the hole in the ozone layer. Climate Change Legislation Included in Coronavirus Relief Deal 2020-12-21T05:00:00Z In space, on the other side of the ozone layer, blood-forming stem cells are exposed to the sun’s UV radiation, causing them to become precancerous much faster. Stem cell research finds a unique lab — the International Space Station 2020-12-04T05:00:00Z “If our children learn about the grim consequences of a ruined ozone layer through a fantasy cartoon and game app, they will be aware of its importance and protect it,” Seki said in a statement. UN film and game for teens focuses on protecting ozone layer 2021-01-24T05:00:00Z This gas damages the ozone layer as well as contributing to global warming. Climate change: Covid pandemic has little impact on rise in CO2 2020-11-23T05:00:00Z Drawing on Dr. Crutzen’s research, some scientists feared that fleets of supersonic aircraft would pose a threat to the ozone layer by releasing nitrogen oxide into the atmosphere. Paul J. Crutzen, Nobel laureate who studied ozone and named new ‘Anthropocene’ era, dies at 87 2021-01-29T05:00:00Z In fact, the fragile ozone layer resides in the stratosphere, near where rocket emissions accumulate. An Underappreciated Danger of the New Space Age: Global Air Pollution 2020-11-06T05:00:00Z Measurements taken here led to the discovery in 1985 of a massive hole in the Earth’s ozone layer. Antarctica is Earth's one virus-free continent: science fights to keep it that way 2020-11-01T04:00:00Z UV-C is produced by the Sun, but is absorbed by the Earth's ozone layer. The inventor inspired by wanting to keep his daughter safe 2020-10-26T04:00:00Z The idea that one day enough of this aerosol could be injected into the stratosphere to reflect the sun’s heat has raised several environmental concerns, including potential damage to the ozone layer. 10 million snowblowers? Last-ditch ideas to save the Arctic ice 2020-10-20T04:00:00Z “We were alarmed at the possibility that the continued release of CFCs into the atmosphere would cause a significant depletion of the Earth’s stratospheric ozone layer,” Dr. Molina wrote. Mario Molina, Nobel laureate who revealed threat to ozone layer, dies at 77 2020-10-08T04:00:00Z Chlorine from SRMs is most likely not a serious threat to the ozone layer. An Underappreciated Danger of the New Space Age: Global Air Pollution 2020-11-06T05:00:00Z “It solved the first great threat to the atmosphere, and put the ozone layer on the path to recovery by 2065. There’s very strong empirical evidence that it has done its job.” 'We've had so many wins': why the green movement can overcome climate crisis 2020-10-12T04:00:00Z Mario Molina, who alerted the world to the atmospheric dangers of chlorofluorocarbons and helped to save the ozone layer, died yesterday at the age of 77. Daily briefing: COVID-sniffing dog tops the month’s best science images 2020-10-07T04:00:00Z He and others discovered that industrial chemicals known as chlorofluorocarbons were reaching high into the atmosphere and eating away at Earth’s protective ozone layer. Nobel Prizes and COVID-19: Slow, basic science may pay off 2020-10-03T04:00:00Z But in 1985, British researchers tracking ozone readings in the Antarctic announced the discovery of a significant thinning — a hole, as it became known — in the ozone layer above the South Pole. Mario Molina, Nobel laureate who revealed threat to ozone layer, dies at 77 2020-10-08T04:00:00Z And since ozone concentration is inversely proportional to temperature, a warmer stratosphere equates to depletion of the ozone layer. An Underappreciated Danger of the New Space Age: Global Air Pollution 2020-11-06T05:00:00Z He then wondered whether two factors affected by human activity, damage to the ozone layer and temperature changes, also influenced the UV pigments. Flowers are changing their colors to adapt to climate change 2020-09-28T04:00:00Z In 1987, two dozen countries signed the Montreal Protocol, a treaty designed to save the Earth’s ozone layer by calling on nations to reduce emissions of harmful chemicals by the year 2000. Today in History 2020-09-16T04:00:00Z They were widely introduced three decades ago as a substitute for chlorofluorocarbons, a different set of chemicals that were depleting Earth’s ozone layer. In rare bipartisan climate agreement, senators forge plan to slash use of potent greenhouse gas 2020-09-10T04:00:00Z Beijing is a signatory but has continued to violate many caps on production of pollution and emission of chlorofluorocarbons that destroy the earth’s ozone layer. Why Biden might follow Trump’s hardline policy on China 2020-08-14T04:00:00Z The senior author is Mario Molina, who won the Nobel Prize in Chemistry in 1995, with two other scientists, for finding a link between man-made chemicals and depletion of the atmosphere’s ozone layer. Scientists Take Aim at Another Coronavirus Study in a Major Journal 2020-06-18T04:00:00Z That, in turn, caused a cascade of effects, from punching holes in the ozone layer to reducing oxygen in the ocean. Familiar Culprit May Have Caused Mysterious Mass Extinction 2020-06-10T04:00:00Z The problem paradoxically started because of an effort to fix another environmental issue: the hole in the ozone layer. “Forever Chemicals” Are Building Up in the Arctic—and Likely Worldwide 2020-06-12T04:00:00Z While that helped repair the ozone layer, scientists have identified HFCs as a significant driver of climate change — thousands of times more potent than carbon dioxide. In rare bipartisan climate agreement, senators forge plan to slash use of potent greenhouse gas 2020-09-10T04:00:00Z In the intervening decades, alternative products that are less harmful to the ozone layer were introduced. Concern grows over 'ozone-friendly' chemicals 2020-05-14T04:00:00Z The hole in the ozone layer is the smallest it’s been since 1988, the year before the Montreal Protocol banned ozone-destroying chlorofluorocarbons. Prediction Tools Can Save Lives in the COVID-19 Crisis 2020-05-13T04:00:00Z “For the overall health of the ozone layer, this is concerning since Arctic ozone levels are typically high during March and April.” NASA says ozone depletion above Arctic hits 'record low' 2020-04-17T04:00:00Z Luckily, the ozone layer and atmosphere completely absorb it. How UV light may protect us from the coronavirus 2020-04-14T04:00:00Z That would put the United States on a path to meet the targets outlined under the Kigali Amendment, which modifies the 1987 Montreal Protocol, an international treaty to preserve the ozone layer. In rare bipartisan climate agreement, senators forge plan to slash use of potent greenhouse gas 2020-09-10T04:00:00Z While HFC-134a was less damaging to the ozone layer, it was unfortunately a very powerful greenhouse gas, around 1,400 times more warming that CO2. Concern grows over 'ozone-friendly' chemicals 2020-05-14T04:00:00Z In 1995, he denounced the Royal Swedish Academy of Sciences for making a “political statement” by awarding the Nobel Prize in chemistry to three scientists who demonstrated that chlorofluorocarbon emissions were depleting the ozone layer. S. Fred Singer, scientist and climate-change skeptic, dies at 95 2020-04-11T04:00:00Z The ozone layer protects the earth from harmful levels of ultraviolet radiation from the sun. Record-size hole opens in ozone layer above the Arctic 2020-04-07T04:00:00Z Even though their computer simulations showed carbon dioxide emissions have continued to expand, only changes in the ozone layer could explain the "pause" that the experts identified. Ozone layer is healing thanks to 'growing evidence' the Montreal Protocol works 2020-03-30T04:00:00Z By late March, these balloons measured a 90% drop in ozone at an altitude of 18 kilometres, which is right in the heart of the ozone layer. Rare ozone hole opens over Arctic — and it’s big 2020-03-26T04:00:00Z Then they used climate models to test whether the pause is the result of the recovering ozone layer or some other factor, like greenhouse gas emissions or natural climate cycles. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z The healing ozone layer above Antarctica is shifting wind patterns around the globe — most notably, pausing the movement toward the pole of the summertime jet stream in the Southern Hemisphere. Daily briefing: Cruise ship coronavirus outbreak gave scientists ‘an ideal experiment’ 2020-03-25T04:00:00Z The stratospheric ozone layer, which shields the planet from the Sun’s harmful ultraviolet radiation, was disintegrating over Antarctica. Decades-old refrigerators and insulation from buildings are leaking ozone-destroying chemicals: nations must act 2020-03-24T04:00:00Z A newly published study notes that the ozone layer is continuing to heal and could recover completely, thanks to the global actions from the 1987 Montreal Protocol. Ozone layer is healing thanks to 'growing evidence' the Montreal Protocol works 2020-03-30T04:00:00Z From the 1970s onwards, he wrote about how atmospheric pollution was destroying the ozone layer, acidifying the oceans and exacerbating the scale of natural catastrophes. Isaac Asimov: centenary of the great explainer 2020-01-27T05:00:00Z The study indicates that changes in the ozone layer are the primary driver. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z After 2000, when the ozone layer began to recover as a result of the Montreal Protocol that effectively banned ozone-killing chemicals, the change has halted. Daily briefing: Cruise ship coronavirus outbreak gave scientists ‘an ideal experiment’ 2020-03-25T04:00:00Z The global treaty that protected the Earth's ozone layer did more than just maintain a crucial protective covering for our planet. Did closing the ozone hole help slow Arctic warming? 2020-01-23T05:00:00Z The ozone layer is approximately 7 to 25 miles above the Earth's surface and acts as a "sunscreen" for the planet, according to NASA. Ozone layer is healing thanks to 'growing evidence' the Montreal Protocol works 2020-03-30T04:00:00Z The international treaty that saved the Earth’s ozone layer is often considered one of the most successful environmental efforts in history. Closing the Ozone Hole Helped Slow Arctic Warming 2020-01-22T05:00:00Z It’s unclear what will happen in the future, as the ozone layer continues to recover and the planet continues to warm. Shrinking Ozone Hole, Climate Change Are Causing Atmospheric “Tug of War” 2020-03-26T04:00:00Z He wrote for the Guardian, about the poll tax, nuclear power and the ozone layer. Terry Jones obituary 2020-01-22T05:00:00Z These destroy the ozone layer, the shield that protects life on Earth from damaging ultraviolet light. The chemists policing Earth’s atmosphere for rogue pollution 2020-01-21T05:00:00Z "Not only has the treaty spurred healing of the ozone layer, it's also driving recent changes in Southern Hemisphere air circulation patterns." Ozone layer is healing thanks to 'growing evidence' the Montreal Protocol works 2020-03-30T04:00:00Z Eventually, the ozone layer is expected to return to its original condition. Closing the Ozone Hole Helped Slow Arctic Warming 2020-01-22T05:00:00Z Gases that ripped the hole in the ozone layer over Antarctica might also explain why the Arctic is warming more than twice as fast as the rest of the globe. Daily briefing: Ozone-killing gases could be responsible for half of Arctic warming 2020-01-20T05:00:00Z The Montreal Protocol, aimed at protecting Earth’s ozone layer, was ratified by every member state of the United Nations. AP FACT CHECK: Trump’s compulsive claims of ‘biggest’ ever 2020-01-18T05:00:00Z This realization — along with the shocking discovery in 1985 of a hole in the ozone layer over Antarctica — led nations to adopt the Montreal Protocol. The chemists policing Earth’s atmosphere for rogue pollution 2020-01-21T05:00:00Z Fahey is a co-chair of the Scientific Assessment Panel of the Montreal Protocol, an international agreement to protect the ozone layer. The climate policy milestone that was buried in the 2020 budget 2020-01-14T05:00:00Z Recent research suggests that at the same time they were chewing away at the ozone layer, they also were helping to heat up the Earth’s climate. Closing the Ozone Hole Helped Slow Arctic Warming 2020-01-22T05:00:00Z Aerosol sales dropped dramatically, and, despite pushback from the chemical companies that made CFCs, Congress in 1977 added protecting the ozone layer to the Environmental Protection Agency’s duties under the Clean Air Act. Opinion | The World Solved the Ozone Problem. It Can Solve Climate Change. 2019-12-07T05:00:00Z The Montreal Protocol, adopted in 1987, was an international agreement to try to heal the ozone layer, which protects Earth from ultraviolet rays but was being destroyed by man-made chemicals. COP25: The climate talks trying to change the world 2019-12-02T05:00:00Z But researchers quickly found that these compounds also damage the ozone layer, and a 2007 amendment to the protocol called for the complete ban of production and consumption of HCFCs by 2030. The chemists policing Earth’s atmosphere for rogue pollution 2020-01-21T05:00:00Z Every four years the panel reviews the science of ozone depletion, and in their next report, they plan to consider the potential effects of solar radiation management, which Fahey said could disturb the ozone layer. The climate policy milestone that was buried in the 2020 budget 2020-01-14T05:00:00Z Nitrous oxide, another gaseous industrial byproduct that is a main contributor to ozone layer loss, also increased in 2018, similarly reaching a new high. Earth’s carbon dioxide levels hit a 3 million year high 2019-11-25T05:00:00Z If the emissions increase continued, they said, that would slow progress in restoring the ozone layer, which protects living organisms, including humans, from harmful solar radiation. Banned Ozone-Harming Gas, Once on the Rise, Declines Again 2019-11-04T05:00:00Z Among them, the structure of DNA, the discovery of the hole in the ozone layer above Antarctica, our first meeting with Australopithecus and this year’s Nobel-winning work detecting an exoplanet around a Sun-like star. Daily briefing: Countries step up to cover US withdrawal from Green Climate Fund 2019-11-03T04:00:00Z These don’t contain chlorine or bromine, and so they don’t damage the ozone layer. The chemists policing Earth’s atmosphere for rogue pollution 2020-01-21T05:00:00Z The stratospheric ozone layer helps deflect incoming ultraviolet radiation from the sun, shielding life on Earth from its harmful effects, such as skin cancer, cataracts and damage to plants. The 2019 ozone hole is the smallest on record since its discovery, but there’s a catch 2019-10-21T04:00:00Z By 1984, the stratospheric ozone layer over Halley in October was only about two-thirds as thick as that seen in earlier decades — a phenomenon that became known as the Antarctic ozone hole. The discovery of the Antarctic ozone hole 2019-10-22T04:00:00Z Earth’s protective ozone layer shields life from harmful ultraviolet radiation. South Pole’s ozone hole shrinks to smallest since discovery 2019-10-22T04:00:00Z The optimist in me, meanwhile, recalls the response to past global environmental threats, such as depletion of the ozone layer that protects us from ultraviolet radiation. Radical reform and the Green New Deal 2019-09-17T04:00:00Z The newly discovered emissions will not significantly delay recovery of the ozone layer, says Matthew Rigby, an atmospheric chemist at the University of Bristol, UK. The chemists policing Earth’s atmosphere for rogue pollution 2020-01-21T05:00:00Z Higher temperatures and the depletion of the ozone layer increase the risk of skin cancer. 'Like a sunburn on your lungs': how does the climate crisis impact health? 2019-09-16T04:00:00Z Farman and colleagues’ report of a loss of one-third of the springtime ozone layer over Antarctica was published a few months later. The discovery of the Antarctic ozone hole 2019-10-22T04:00:00Z Huge insects from Planet X invade Earth after a scientist blows a hole in the ozone layer. TV Listings: Here are the feature and TV Films airing the week of July 21 - 27, 2019 2019-07-19T04:00:00Z But early research indicates that calcium carbonate, a common mineral dust, might actually help restore the ozone layer while reflecting some sunlight back into space. Risks of Controversial Geoengineering Approach "May Be Overstated" 2019-07-03T04:00:00Z Two years later, when Bill Clinton entered office, Happer got into a public disagreement with Al Gore, then the vice-president, over evidence that refrigerant chemicals were eating a hole in the ozone layer. William Happer: Trump aide pushing climate denial inside the White House 2019-06-21T04:00:00Z The same refrigerants and gases that damage the ozone layer contribute to climate change. 'Like a sunburn on your lungs': how does the climate crisis impact health? 2019-09-16T04:00:00Z The protocol thus prevented the ozone layer from collapsing19 and is a signature success story for global environmental policy. The discovery of the Antarctic ozone hole 2019-10-22T04:00:00Z Scientists say this is partly because of a hole in the ozone layer above Antarctica, compounded with rising greenhouse gas levels. Beloved submarine Boaty McBoatface makes a big scientific find 2019-06-19T04:00:00Z In 1991 the world was talking about the dangers of chlorofluorocarbons and mounting damage to the ozone layer. Who brought a 36-foot orb into Disney Hall for ‘Atlas’? Yup, that guy again 2019-06-10T04:00:00Z A dozen years ago, I spent a week playing golf in New Zealand during a season when the ozone layer above that part of the world is often especially thin. We're in trouble: Skin cancer is on the rise, and not just for golfers - Golf Digest 2019-06-06T04:00:00Z Scientists suspected that man-made gases called CFCs were damaging the ozone layer, but they didn’t expect to see such a dramatic decline. Rebroadcast: Nature PastCast, May 1985 2019-05-30T04:00:00Z But a study last year found that the ozone layer was unexpectedly declining in the lower stratosphere over the populated tropical and mid-latitude regions. China factories releasing thousands of tonnes of illegal CFC gases, study finds 2019-05-22T04:00:00Z The ozone layer is critical to life, limiting the amount of harmful ultraviolet solar radiation that reaches the planet’s surface. Mysterious spike of ozone-destroying chemical is traced to east China 2019-05-22T04:00:00Z A gaping hole in the ozone layer over Antarctica was discovered in the mid 1980s. China confirmed as source of rise in CFCs 2019-05-22T04:00:00Z The ozone layer is part of Earth's high atmosphere which contains a large concentration of gas molecules comprising three oxygen atoms called ozone. Climate change: What do all the terms mean? 2019-05-01T04:00:00Z More than 3 decades later, NASA's ER-2 is again preparing to soar to the overworld in search of a potential new threat to the ozone layer. Into the overworld: Ex–spy plane to see whether towering storms pose new threat to ozone layer 2019-04-25T04:00:00Z Lead author Matt Rigby, an atmospheric chemist at the University of Bristol, said: “CFCs are the main culprit in depletion of the stratospheric ozone layer, which protects us from the sun’s ultra-violet radiation.” China factories releasing thousands of tonnes of illegal CFC gases, study finds 2019-05-22T04:00:00Z The global accord was reached after scientists revealed the existence of an expanding hole in the ozone layer over Antarctica. Mysterious spike of ozone-destroying chemical is traced to east China 2019-05-22T04:00:00Z Ozone Hole: How We Saved the Planet This new special offers insight from the scientists and politicians who encouraged Ronald Reagan and Margaret Thatcher to take action to fix the hole in the ozone layer. What's on TV Wednesday: ‘What We Do in the Shadows’ on FX 2019-04-09T04:00:00Z This is providing the power for automated instrumentation, including the Dobson photospectrometer that keeps an eye on the ozone layer. Antarctic base in third winter shutdown 2019-02-28T05:00:00Z But he and others are skeptical that the ozone layer above midlatitudes faces imminent risk. Into the overworld: Ex–spy plane to see whether towering storms pose new threat to ozone layer 2019-04-25T04:00:00Z Under his watch, the agency banned aerosol spray fluorocarbons to protect the Earth’s ozone layer. Is the tide turning on President Trump’s war on science? 2019-02-26T05:00:00Z He is building instruments for the plane that will measure how chlorine and bromine react in the stratosphere, where they eat away at the protective ozone layer. High-flying pseudosatellites get their day in the sun 2019-02-11T05:00:00Z There, the theory goes, the soot will shade the Earth from the sun — dropping temperatures, destroying crops, drying up the rain, and damaging the ozone layer. Nuclear winter is still a hot topic as a new arms race heats up 2019-02-08T05:00:00Z The potential side effects—including unintended impacts on the ozone layer or global weather patterns—remain highly uncertain. Major Missions Will Probe the Changing Climate in 2019 2019-01-08T05:00:00Z Bush was also president during the development of the Montreal Protocol, which drastically cut the chlorofluorocarbons that were destroying the ozone layer. Bush Had a Lasting Impact on Climate and Air Policy 2018-12-03T05:00:00Z Several countries called for a scientific assessment of the potential effects that solar geoengineering could have on the ozone layer, and on the stratosphere more broadly. First sun-dimming experiment will test a way to cool Earth 2018-11-26T05:00:00Z Examples include the first generation of scientists who created Green Revolution agricultural technologies in the 1950s and 1960s, and the researchers whose findings led to the Montreal Protocol to protect the ozone layer in 1987. A 100th birthday wish: uphold academic freedom in dark times 2018-11-25T05:00:00Z Nitrous oxide, which also warms the planet and destroys the Earth’s protective ozone layer, is now at more than double pre-industrial levels. Climate-heating greenhouse gases at record levels, says UN 2018-11-22T05:00:00Z Unfortunately, production is a real double whammy for the environment, damaging the ozone layer while also contributing to global warming. Greenhouse gas levels at new record high 2018-11-22T05:00:00Z Decades ago, it was globally recognized that CFCs made hairspray cheaper but damaged the ozone layer. The future of artificial intelligence depends on human wisdom 2018-11-17T05:00:00Z These and other questions arose earlier this month in Quito, Ecuador, at the annual summit of the Montreal Protocol, which governs chemicals that damage the stratospheric ozone layer. First sun-dimming experiment will test a way to cool Earth 2018-11-26T05:00:00Z Last month, researchers reported that the ozone layer was on track to fully heal by 2060. How Extreme Weather Is Shrinking the Planet 2018-11-16T05:00:00Z So a healed ozone layer will worsen man-made climate change there a bit, Newman said. More protection: UN says Earth’s ozone layer is healing 2018-11-05T05:00:00Z The ozone layer, which protects us from ultraviolet light, looks to be successfully healing after gaping holes were discovered in the 1980s. Ozone: The Earth's protective shield is repairing 2018-11-06T05:00:00Z This month it was discovered that rogue companies in China were flouting Montreal by using CFC’s and threatening the ozone layer again. The future of artificial intelligence depends on human wisdom 2018-11-17T05:00:00Z He says that the possibility of sulfates enhancing ozone depletion should become less of a concern in the future, as efforts to restore the ozone layer through pollutant reductions continue. First sun-dimming experiment will test a way to cool Earth 2018-11-26T05:00:00Z It plans to submit the work this week in Quito, Ecuador, where delegates from nearly 200 countries are attending a Montreal Protocol meeting on the status of efforts to repair the ozone layer. More Evidence Points to China as Source of Ozone-Depleting Gas 2018-11-04T04:00:00Z Without it, the ozone layer would have collapsed by 2050, resulting in millions of skin cancer deaths and extreme climate events. The Term "Republican Environmentalist" Is Not an Oxymoron 2018-11-01T04:00:00Z The ozone layer starts about six miles above Earth. Ozone: The Earth's protective shield is repairing 2018-11-06T05:00:00Z Environmentalism went mainstream; the ozone layer got addressed; writers from Latino and Native American backgrounds, who bore the downsides of Sunbelt development, emerged from the shadows. Charles Bowden grimly chronicled the toughest stories of the U.S.-Mexico border. But he was once full of hope. - Los Angeles Times 2018-10-12T04:00:00Z In addition to cooling the planet, the aerosols generated in that eruption sped up the rate at which chlorofluorocarbons deplete the ozone layer, which shields the planet from the Sun’s harmful ultraviolet radiation. First sun-dimming experiment will test a way to cool Earth 2018-11-26T05:00:00Z In 2002 Rutherford Appleton Labs in the U.K. developed the terahertz technology as part of the European Space Agency program to allow satellites to look for holes in the ozone layer. Will L.A.'s Anti-Terrorist Subway Scanners Be Adopted Everywhere? 2018-09-25T04:00:00Z On Sept. 16, 1987, two dozen countries signed the Montreal Protocol, a treaty designed to save the Earth’s ozone layer by calling on nations to reduce emissions of harmful chemicals by the year 2000. Today in History 2018-09-16T04:00:00Z A chemical that helped to create a hole in the ozone layer is reappearing. In Case You Missed It 2018-09-01T04:00:00Z If the fragile stratospheric ozone layer is to recover, the production and disposal of building-insulation materials must be more effectively monitored and managed, backed by stricter legislation. Eradicate illicit production of ozone-depleting emissions 2018-08-07T04:00:00Z Avid Everyday Einstein listeners may recall that the depletion and subsequent rebound of the ozone layer is one of my favorite science stories. The Mysterious Return of Ozone-Depleting CFCs 2018-07-28T04:00:00Z In 2015, EPA under Obama said that while HFCs did not deplete the ozone layer, they should be phased out now because much better alternatives are available. Judge Kavanaugh could give conservatives the vote they need to rein in EPA rules on climate change 2018-07-23T04:00:00Z Under Ruckelshaus, the EPA acted to protect the Earth’s ozone layer from destruction by toxic chemicals. What’s next for the EPA? Here’s what Reagan did 2018-07-21T04:00:00Z “I guess in theory the ozone layer up higher still does most of the UV-blocking, but common sense suggests that all kinds of radiation from the sun are stronger above the troposphere.” Study: Flying often could be bad for your health 2018-07-17T04:00:00Z Back in 2014 researchers reported the first signs of a thickening in the ozone layer. China 'home foam' gas key to ozone mystery 2018-07-08T04:00:00Z “The scale of this environmental crime is devastating, with massive potential impact on the climate and the ozone layer,” said Alexander von Bismarck, executive director of the group. In a High-Stakes Environmental Whodunit, Many Clues Point to China 2018-06-24T04:00:00Z After all, Republicans and Democrats had worked together on an international agreement to fix the hole in the Earth’s ozone layer. Too hot to handle: Politics of warming part of culture wars 2018-06-20T04:00:00Z However, chemical reactions occur on the surface of these white particles, which, in turn, destroy the ozone layer, Ross says. Why it’s time to study how rocket emissions change the atmosphere 2018-05-31T04:00:00Z And all that loose chlorine was tearing up the ozone layer, ripping up the chemical bonds of high-flying molecules that protect Earth’s surface from ultraviolet radiation. Earth's Ozone Layer is Under Attack--Again 2018-05-22T04:00:00Z Something similar can be said for the atmospheric chemists in the 1970s and 1980s who realized that chlorofluorocarbons were depleting the ozone layer. Beware: transparency rule is a Trojan Horse 2018-05-21T04:00:00Z XINGFU, China — Last month, scientists disclosed a global pollution mystery: a surprise rise in emissions of an outlawed industrial gas that destroys the atmosphere’s protective ozone layer. In a High-Stakes Environmental Whodunit, Many Clues Point to China 2018-06-24T04:00:00Z The ozone layer is slowly recovering, and ozone-depleting substances are still declining. Someone, somewhere, is making a banned chemical that destroys the ozone layer, scientists suspect 2018-05-16T04:00:00Z “That’s what we need to understand — the ozone depletion aspect of this because protection of the ozone layer is an international imperative,” says Ross. Why it’s time to study how rocket emissions change the atmosphere 2018-05-31T04:00:00Z Overall, atmospheric CFCs are still declining, and the ozone layer is still replenishing itself. Earth's Ozone Layer is Under Attack--Again 2018-05-22T04:00:00Z A full recovery of the ozone layer was expected by midcentury. Banned Ozone-Harming Gas Creeps Back, Suggesting a Mystery Source 2018-05-16T04:00:00Z One hypothesis pointed to the thinning ozone layer. Exotic pet trade linked to invasive fungus that’s killing frogs globally 2018-05-10T04:00:00Z His specialties as a meteorologist included climate variability, stratospheric processes and the ozone layer. Washington-area obituaries of note 2018-03-07T05:00:00Z Yet in a new study published in Atmospheric Chemistry and Physics, scientists report that one crucial section of the ozone layer still seems to be declining steadily. Wait--the Ozone Layer Is Still Declining? 2018-02-06T05:00:00Z The ozone layer that protects people from the sun’s ultraviolet radiation is not recovering over most highly populated regions, scientists warned on Tuesday. Ozone layer not recovering over populated areas, scientists warn 2018-02-06T05:00:00Z But new findings suggest that at mid-latitudes, where most people live, the ozone layer in the lower stratosphere is growing more tenuous--for reasons that scientists are struggling to fathom. Ozone hole’s repair belies thinning of planet’s ultraviolet shield closer to equator 2018-02-06T05:00:00Z The Meteor-M 2-1 satellite was launched in November and was designed to monitor weather patterns, the ozone layer, ocean surface temperatures and other meteorological influences. 'Missing' Angolan satellite contacted 2017-12-29T05:00:00Z Earth's atmospheric flows distribute most ozone relatively evenly into our planet's famous ozone layer, which helps shield life from harmful UV radiation. "Equator Trap" May Hinder Search for Alien Life 2017-12-03T05:00:00Z The ozone layer resides in the stratosphere, the region of atmosphere from 10 to 50 kilometers above Earth’s surface. Wait--the Ozone Layer Is Still Declining? 2018-02-06T05:00:00Z HFCs slightly contribute to the depletion of the ozone layer in Earth's stratosphere, but the amendment targets them mostly for their climate effects. Trump Quietly Accepts an Obama-Era Climate Deal 2017-11-29T05:00:00Z But recent evidence indicates that the global campaign to mend the ozone layer is far from over. Ozone hole’s repair belies thinning of planet’s ultraviolet shield closer to equator 2018-02-06T05:00:00Z A sufficient number of individuals internationally modified their purchasing behavior to reduce atmospheric chlorofluorocarbons, which subsequently led to a cessation of ozone layer damage. Doom-and-Gloom Scenarios on Climate Change Won't Solve Our Problem 2017-11-30T05:00:00Z Warmer-than-usual weather conditions in the stratosphere are to thank for the shrinkage since 2016, as the warmer air helped fend off chemicals like chlorine and bromine that eat away at the ozone layer, scientists said. The Earth’s ozone hole is shrinking and is the smallest it has been since 1988 2017-11-03T04:00:00Z Ball and a team of researchers from institutions around the world wanted to more accurately measure trends in the ozone layer. Wait--the Ozone Layer Is Still Declining? 2018-02-06T05:00:00Z They agreed to use the Montreal Protocol, designed to protect the ozone layer, to fight climate change. Falling Walls: How Repairing the Ozone Hole Helped the Climate 2017-11-02T04:00:00Z In addition, scientists will use Sentinel-5P’s data to understand better how holes form in Earth’s ozone layer. Europe launches sixth Sentinel Earth observation satellite 2017-10-13T04:00:00Z The measurements also will help understand processes in the atmosphere related to the climate and to the formation of holes in the ozone layer. Russia launches European environmental satellite 2017-10-13T04:00:00Z Scientists first realized chlorofluorocarbons were wearing down the thin ozone layer above Antarctica in the 1970s. The Earth’s ozone hole is shrinking and is the smallest it has been since 1988 2017-11-03T04:00:00Z The finding is important because the lower stratosphere contains the largest fraction of the ozone layer. Wait--the Ozone Layer Is Still Declining? 2018-02-06T05:00:00Z This was important because the so-called ozone layer in the stratosphere absorbs harmful solar ultraviolet radiation, thereby protecting living things on earth. Falling Walls: How Repairing the Ozone Hole Helped the Climate 2017-11-02T04:00:00Z In addition, scientists will use Sentinel-5P’s data to understand better how holes form in Earth’s ozone layer. Europe launches sixth Sentinel Earth observation satellite 2017-10-13T04:00:00Z For a long time, scientists believed that both these compounds would decay before getting up as far as the ozone layer. Ozone hole recovery faces 30 year delay 2017-10-12T04:00:00Z It was a rare scientific agreement, scientists say, because it did exactly what it was supposed to do: galvanize action toward closing the hole in the ozone layer. The Earth’s ozone hole is shrinking and is the smallest it has been since 1988 2017-11-03T04:00:00Z Then, in 1985, a gigantic hole appeared in the ozone layer over Antarctica, allowing dangerous levels of UV radiation to reach the surface. Without the Ozone Treaty You’d Get Sunburned in 5 Minutes 2017-09-25T04:00:00Z Environment Programme chief Achim Steiner and Mexican chemist Mario Molina, who won the Nobel Prize for his role in discovering the threat that chlorofluorocarbon gases pose to the Earth's ozone layer. The Window Is Closing to Avoid Dangerous Global Warming 2017-09-15T04:00:00Z Refineries in those states, which includes Texas and Louisiana, will be allowed to sell so-called “winter fuel,” which is cheaper and easier to produce, but is worse for the ozone layer. Harvey has knocked out a significant portion of the nation's oil refining capacity 2017-08-30T04:00:00Z His second major contribution to civilisation was the chlorofluorocarbon, or CFC, which improved refrigerators, but destroyed the ozone layer. Why did we use leaded petrol for so long? - BBC News 2017-08-27T04:00:00Z Deterioration of the ozone layer was mainly taking place over Antarctica, and became a particular cause for concern for those living in the southern hemisphere. The Earth’s ozone hole is shrinking and is the smallest it has been since 1988 2017-11-03T04:00:00Z Only later we found out Freon is very nasty, in that it can chew up ozone and thus helped contribute to the hole in the ozone layer and climate change. The Air You Breathe Is Full of Surprises 2017-08-13T04:00:00Z This colourful video tracks the behaviour of the ozone layer over Antarctica across all of 2016. A year in ozone over the South Pole - BBC News 2017-08-09T04:00:00Z Another rare warming gas, carbon tetrachloride, once popular as a refrigerant and a solvent but very damaging to the ozone layer, has been banned in Europe since 2002. 'Dodgy' greenhouse gas data threatens Paris accord - BBC News 2017-08-07T04:00:00Z Part of this is urban congestion and part of it is climate change — carbon dioxide from burning gasoline depletes the ozone layer, playing havoc with climate patterns around the globe. Drive toward electric-car future picking up speed 2017-07-14T04:00:00Z That’s because Earth lacked an ozone layer to protect it from UV light—which was far more intense 4 billion years ago than it is now. How sunlight might have jump-started life on Earth 2017-07-12T04:00:00Z Anna Jones, a scientist at BAS, said: “The new results underline the critical importance of long-term observations of ozone-depleting gases and expanding the Montreal protocol to mitigate new threats to the ozone layer.” Ozone hole recovery threatened by rise of paint stripper chemical 2017-06-27T04:00:00Z There, supernovae explosions shower nearby planets with x-rays, gamma rays and ultraviolet photons that obliterate any ozone layer present. Ravenous Supermassive Black Holes May Sterilize Nearby Planets 2017-05-30T04:00:00Z The most harmful factor, the reviewed studies concluded, was the high level of solar ultraviolet radiation found beyond the ozone layer. What Happens to Spores in Space? 2017-04-03T04:00:00Z If lab tests are positive, the experiment would then be replicated with a limestone compound which the researchers believe will neither absorb solar or terrestrial radiation, nor deplete the ozone layer. US scientists launch world's biggest solar geoengineering study 2017-03-24T04:00:00Z HFCs were introduced as substitutes for chlorofluorocarbons, which were damaging the ozone layer that protects the planet from ultraviolet rays that cause skin cancer. Marshall Islands first to ratify global HFC greenhouse gas pact 2017-02-28T05:00:00Z The scientists then used sophisticated computer models to find that, if this continues, the recovery of the ozone layer would be delayed by 30 years, until about 2090. Ozone hole recovery threatened by rise of paint stripper chemical 2017-06-27T04:00:00Z We remember his leading role in negotiating the Montreal Protocol, which continues to protect and restore the delicate ozone layer. A Conservative Answer to Climate Change 2017-02-08T05:00:00Z Those atoms’ origin in the ozone layer might also help explain a longstanding mystery about some grains of lunar soil brought back by Apollo astronauts. Earth is sending oxygen to the Moon 2017-01-30T05:00:00Z The ozone layer of the stratosphere shields Earth from most of the sun’s ultraviolet radiation, which would be extremely damaging to living things, including people. Seattle-native-turned-climate-scientist: Numbers don’t lie about human impact on Earth 2017-01-26T05:00:00Z But scientists later found that HFCs, while better for the ozone layer, were stoking global warming. Marshall Islands first to ratify global HFC greenhouse gas pact 2017-02-28T05:00:00Z Government-funded environmental scientists began noticing something curious: nuclear explosions deplete the ozone layer, which protects the Earth’s atmosphere. The Atomic Origins of Climate Science 2017-01-22T05:00:00Z Thirty years ago, as the atmosphere’s protective ozone layer was dwindling at alarming rates, we were serving proudly under President Ronald Reagan. A Conservative Answer to Climate Change 2017-02-08T05:00:00Z NASA’s early weather satellites were followed, in the seventies and eighties, by a slew of more advanced instruments, which supplied data on the ozone layer, crops and vegetation, and even insect infestations. NASA’s Overlooked Duty to Look Inward 2016-12-21T05:00:00Z And on 15 October, 197 countries agreed to amend the Montreal Protocol — designed to protect the ozone layer — to phase out hydrofluorocarbons, powerful greenhouse gases commonly used in air conditioners. 2016 in news: The science events that shaped the year 2016-12-15T05:00:00Z A recovery of the high-altitude ozone layer over Antarctica, which led to cooler air over the continent when it was damaged by now-banned industrial chemicals, may also be a factor. Polar sea ice the size of India vanishes in record heat 2016-12-05T05:00:00Z Unlike the protective ozone layer in the stratosphere, ground-level ozone is harmful, formed when emissions like NO2 react with other pollutants and "cook" in heat or sunlight. Air pollution 'causes 467,000 premature deaths a year in Europe' - BBC News 2016-11-23T05:00:00Z They were among the first to warn that the atmosphere’s ozone layer, which protects the planet from potentially lethal ultraviolet radiation, was being dissipated by chlorine gases. Ralph Cicerone, Scientist Who Sounded Climate Change Alarm, Dies at 73 2016-11-07T05:00:00Z Dr. Cicerone produced seminal work in the 1970s showing that chlorine atoms and other gases can damage the ozone layer that shields the Earth from lethal radiation. Ralph J. Cicerone, scientist who worked to protect the ozone layer, dies at 73 2016-11-06T04:00:00Z Ralph Cicerone, a distinguished UC Irvine scientist who conducted pioneering research into global warming and the depletion of Earth’s ozone layer before taking the helm as the the university’s fourth chancellor, died Saturday. Ralph Cicerone, former UC Irvine chancellor who studied the causes of climate change, dies at 73 2016-11-05T04:00:00Z The pact represents a major expansion of the 1987 Montreal Protocol, which was intended to halt the destruction of Earth’s protective ozone layer. Nations agree to ban refrigerants that worsen climate change 2016-10-14T04:00:00Z But scientists warned that CFCs deplete the ozone layer, which protects the earth from the sun’s ultraviolet rays. How the Chemical Industry Joined the Fight Against Climate Change 2016-10-16T04:00:00Z The deal is an amendment to the Montreal Protocol, the landmark 1987 pact designed to close the hole in the ozone layer by banning ozone-depleting coolants called chlorofluorocarbons, or CFCs. Nations, Fighting Powerful Refrigerant That Warms Planet, Reach Landmark Deal 2016-10-15T04:00:00Z Countries and companies often complied with the agreement by switching to HFCs, which are safe for the ozone layer but contribute to global warming. US Senate could block landmark HFC climate treaty, legal experts warn 2016-10-18T04:00:00Z Two years later, Cicerone was one of only six American scientists to receive a prestigious United Nations award for research that sought to protect Earth’s ozone layer. Ralph Cicerone, former UC Irvine chancellor who studied the causes of climate change, dies at 73 2016-11-05T04:00:00Z The chemical industry replaced that chemical with HFCs, which don’t harm the ozone layer but, as it turned out, added greatly to global warming. Another Big Step on Climate 2016-10-17T04:00:00Z The accord is an amendment to the 1987 Montreal Protocol, which was aimed at stopping the depletion of the ozone layer. U.S. companies brace for climate-friendly alternatives in cooling systems 2016-10-16T04:00:00Z Chemical companies responded to the 1987 agreement by developing HFCs, which do not harm the ozone layer but do trap heat in the atmosphere. Nations, Fighting Powerful Refrigerant That Warms Planet, Reach Landmark Deal 2016-10-15T04:00:00Z That was a 1987 agreement that helped save the ozone layer by nearly eradicating the use of chemicals called CFCs. US Senate could block landmark HFC climate treaty, legal experts warn 2016-10-18T04:00:00Z Along came HFCs, which were much better for the ozone layer but, like CFCs, also happen to be a strong global warming agent. The world just took another huge step forward on fighting climate change 2016-10-15T04:00:00Z Hydrofluorocarbons seemed like a straightforward remedy to a pressing environmental crisis of the 1980s: the depletion of the ozone layer caused by a worldwide rise in emissions of chemicals used in air conditioning and refrigeration. It helped save the ozone layer. Now the refrigerant is being phased out as a culprit in global warming 2016-10-15T04:00:00Z But the very chemicals used to help save the ozone layer come with a heavy price when it came to their warming potential. Nations sign major deal to curb warming chemicals used for air conditioning 2016-10-15T04:00:00Z HFCs were introduced to replace them, and scientists realized only later that while they don't harm the ozone layer, they have a strong effect on global warming. AP Explains: What the new global climate agreement means 2016-10-15T04:00:00Z “This amendment has been sold as a climate change measure, not an ozone layer measure. The Senate hates climate change measures.” US Senate could block landmark HFC climate treaty, legal experts warn 2016-10-18T04:00:00Z HFCs were introduced to replace them, and scientists realized only later that while they don’t harm the ozone layer, they have a strong effect on global warming. AP Explains: What the new global climate agreement means 2016-10-15T04:00:00Z The ozone layer, which protects against the sun’s harmful rays, has recovered dramatically. It helped save the ozone layer. Now the refrigerant is being phased out as a culprit in global warming 2016-10-15T04:00:00Z Known as the Montreal Protocol, the 1987 agreement was created to stop the destruction of the ozone layer by chemicals used in everything from hair spray to refrigerators. Nations sign major deal to curb warming chemicals used for air conditioning 2016-10-15T04:00:00Z This week’s accord formally comes an amendment to the Montreal Protocol, an agreement crafted in 1989 to protect the ozone layer. Countries Reach Landmark Deal to Limit Global Warming From ACs 2016-10-15T04:00:00Z HFCs do not harm the ozone layer like chlorofluorocarbons and similar gases that were eliminated under the 1987 Montreal Protocol. Climate change: global deal reached to limit use of hydrofluorocarbons 2016-10-15T04:00:00Z The Kigali talks are part of the 1987 Montreal Protocol, which helped protect the ozone layer by cutting the use of chlorofluorocarbons. U.N. calls for deal to cut greenhouse gases at Rwanda talks 2016-10-13T04:00:00Z HFCs were introduced to limit damage to the ozone layer, but cause much greater levels of global warming than CO2. UN moves to ban 'fastest growing' greenhouse gases - BBC News 2016-10-13T04:00:00Z An international treaty originally created to save the ozone layer from destruction is now being enlisted to help tackle climate change. Nations sign major deal to curb warming chemicals used for air conditioning 2016-10-15T04:00:00Z The Montreal Protocol required countries to phase out chlorofluorocarbon—or CFC—from use in refrigerators, air conditioners and other uses because it depleted the ozone layer. Countries Reach Landmark Deal to Limit Global Warming From ACs 2016-10-15T04:00:00Z But the HFCs that have often replaced them, while better for the ozone layer, are powerful greenhouse gases. India under pressure on HFCs as world seeks third climate accord 2016-10-09T04:00:00Z The ozone layer shields the planet from ultraviolet rays that can cause skin cancer. U.N. calls for deal to cut greenhouse gases at Rwanda talks 2016-10-13T04:00:00Z Concern over a growing hole in the ozone layer above Antarctica saw the Montreal Protocol agreed back in 1987. UN moves to ban 'fastest growing' greenhouse gases - BBC News 2016-10-13T04:00:00Z In June, scientists announced they had detected evidence the ozone layer over the Antarctic was showing signs of recovery. Nations sign major deal to curb warming chemicals used for air conditioning 2016-10-15T04:00:00Z I would feed them giant slices of the ozone layer if someone told me it was good for their cognitive function. I’ve been a parent for one year, and this is what I’ve learned 2016-09-17T04:00:00Z Jinkochi would heal the ozone layer and cool the air, irrigate the degraded land and plant wildflowers in geometrical patterns most pleasing to Idra. A perfect medium for unrequited love : Nature : Nature Research 2016-09-13T04:00:00Z Like the ozone layer, a stable climate or biodiversity, the global population of susceptible microbes is a common pool resource — one shared by all. Use antimicrobials wisely 2016-09-06T04:00:00Z But the HFCs that have often replaced them, while better for the ozone layer, are greenhouse gases thousands of times more potent than carbon dioxide. Deal on cutting greenhouse gases in sight for this year: Vienna delegates 2016-07-24T04:00:00Z The deal would be an amendment to the Montreal Protocol, the landmark 1989 environmental treaty designed to close the hole in the ozone layer by banning ozone-depleting coolants called chlorofluorocarbons, or CFCs. A Sequel to the Paris Climate Accord Is Developing in Vienna 2016-07-23T04:00:00Z The HFCs that have often replaced them, while better for the ozone layer, are greenhouse gases far more potent than carbon dioxide. U.S. calls for rapid progress on greenhouse-gas pact 2016-07-22T04:00:00Z But a key substitute — hydrofluorocarbons, or HFCs — spare the ozone layer but are still powerful greenhouse warming agents. The world is poised to take the strongest action of this year against climate change 2016-07-18T04:00:00Z And the study in the journal Science also shows other indications that the ozone layer is improving after it was being eaten away from chemicals in aerosols and refrigerants. Bright spot: Antarctica's ozone hole is starting to heal 2016-06-30T04:00:00Z The Antarctic ozone layer is beginning to show signs of healing, according to new research. Antarctic Ozone Layer Shows Signs of Healing 2016-07-01T04:00:00Z And moreover, that patient — the Earth’s vital ozone layer — is getting better directly because of our choices and policies. The Antarctic ozone hole has finally started to ‘heal,’ scientists report 2016-06-30T04:00:00Z September is important because it is when sunlight fully returns to the Antarctic after winter, initiating chemical reactions in the atmosphere that eat away at the ozone layer. Antarctic ozone hole is on the mend 2016-06-29T04:00:00Z Nearly three decades after the world banned chemicals that were destroying the atmosphere’s protective ozone layer, scientists said Thursday that there were signs the atmosphere was on the mend. Ozone Hole Shows Signs of Shrinking, Scientists Say 2016-06-30T04:00:00Z Then in early 1980s, a hole in the ozone layer over Antarctica started appearing in October — and then, September and October — making the problem more urgent. Bright spot: Antarctica's ozone hole is starting to heal 2016-06-30T04:00:00Z The study, published in the journal Science, found that the hole in the ozone layer is closing. Antarctic Ozone Layer Shows Signs of Healing 2016-07-01T04:00:00Z The study, published in the journal Science, combines data gathered from balloons and satellites to measure the area of the ozone layer over Antarctica from 2000 to 2015. The world's decision to fix the ozone hole is paying off 30 years later 2016-06-30T04:00:00Z “This settlement will assist our efforts to control these two major environmental problems,” Cruden said, referring to protecting the ozone layer and stemming the growth of greenhouse gases. Trader Joe's agrees to cut greenhouse gas emissions in settlement with Justice Department 2016-06-21T04:00:00Z Scientists who pushed for the Montreal Protocol always acknowledged that recovery of the ozone layer would be very slow, because CFCs linger in the stratosphere for a long time. Ozone Hole Shows Signs of Shrinking, Scientists Say 2016-06-30T04:00:00Z Now it is actually getting better, not just stabilizing, based on new observations using different methods to measure the ozone layer, Solomon said. Bright spot: Antarctica's ozone hole is starting to heal 2016-06-30T04:00:00Z The ozone layer protects the earth from ultraviolet rays but was damaged by chlorofluorocarbon or CFC a compound used in aerosols and insulation foam. Antarctic Ozone Layer Shows Signs of Healing 2016-07-01T04:00:00Z Horowitz saw a planet without any obvious liquid water, or organic molecules, or an ozone layer to protect the surface from radiation. NASA’s 1976 Viking mission to Mars did everything right — except find Martians 2016-06-18T04:00:00Z Massive fires would have produced huge amounts of toxins that temporarily destroyed the planet’s protective ozone layer. Here’s What Happened the Day the Dinosaurs Died 2016-06-11T04:00:00Z Compelling science and prudent international action checked the loss of stratospheric ozone over the past 25 years, and in the decades ahead the ozone layer should rebuild itself. Earth Day: Are we at the beginning of a new geological era? 2016-04-21T04:00:00Z And the study in Thursday's journal Science also shows other indications that the ozone layer is improving after it was being eaten away by chemicals in aerosols and refrigerants. Bright spot: Antarctica's ozone hole is starting to heal 2016-06-30T04:00:00Z The scientists credit the 1987 Montreal Protocol, which cut the production of chemicals that damage the ozone layer, with facilitating the healing. Antarctic Ozone Layer Shows Signs of Healing 2016-07-01T04:00:00Z Agreed 16 years earlier, the mechanism sought to limit damage to the stratospheric ozone layer that protects the planet from harmful ultraviolet radiation. Green giant 2016-03-31T04:00:00Z The Vienna meeting, held in 1985, created the basic international approach to protecting the ozone layer. Mostafa K. Tolba, U.N. environmental official, dies at 93 2016-03-29T04:00:00Z Still, the clouds are hardly the biggest threat to the ozone layer. Rare Shimmering Rainbow Clouds Appear Over the U.K. 2016-02-03T05:00:00Z More pressing than saving the ozone layer, he suggested, was the freedom to buy aerosol hairspray. Donald Trump Laments Loss of Aerosol Sprays to Frame His Hair 2015-12-30T05:00:00Z Some of the newly released materials, for example, showed Ronald Reagan’s White House overruling members of his own cabinet in 1987 on an international policy protecting the Earth’s ozone layer. The evolution of the GOP's approach to a crisis 2015-12-03T05:00:00Z In 1987, nations adopted a treaty to protect the ozone layer. The fragile framework 2015-11-23T05:00:00Z The ozone layer protects the Earth from the rays of the Sun, and last year was the first year that the World Meteorological Organization said it saw signs of ozone recovery. Record Hole in Ozone Layer Will Shrink, Scientists Say 2015-10-29T04:00:00Z The ozone layer sits high above Earth and protects against harmful UV rays. UN weather body, citing NASA data, says Antarctic ozone hole expands due to high-altitude cold 2015-10-29T04:00:00Z Is there a hole in the ozone layer directly over Lancaster that no one’s detected?” he quipped. L.A. County Sheriff's Department says dogs suffered sun burns; vet in disbelief 2015-10-16T04:00:00Z But the best precedent for a climate treaty appears to be the 1987 Montreal Protocol, which outlawed chemicals widely used in refrigerants or air conditioning that were damaging the planet's protective ozone layer. Laws help enforce some environmental treaties - but not on climate 2015-10-12T04:00:00Z The worry was that the stuff eroded the ozone layer. The Hole in Tapper’s Ozone Tale 2015-10-02T04:00:00Z The prohibition covered a growing list of research topics including snowflakes, the ozone layer, salmon, and previously published work about a 13,000-year-old flood. How a Canadian scientist became the voice of the anti-Harper movement 2015-10-02T04:00:00Z Reagan the environmentalist – as governor he protected California’s wilderness from dams and highways and created an air resources board, as president he launched the Montreal Protocol to protect the ozone layer – did not appear. The myth of Ronald Reagan: pragmatic moderate or radical conservative? 2015-09-19T04:00:00Z It may have even helped save the world when it spotted a dangerous, growing hole in the planet's protective ozone layer in the 1980s. Don't Blind NASA to Earth's Climate 2015-08-21T04:00:00Z The gas is a significant threat as it contributes both to global warming and the destruction of the ozone layer. 'Laughing gas' emissions from farming understated in US - BBC News 2015-07-27T04:00:00Z The most notorious are the chlorofluorocarbons, or CFCs - bundles of fluorine, carbon and chlorine - which were found in the 1980s to be destroying the ozone layer. How 1970s deodorant is still doing harm - BBC News 2015-06-05T04:00:00Z The hole in the ozone layer changed all of this. Ozone layer hole: How its discovery changed our lives - BBC News 2015-05-15T04:00:00Z Chemist Paul Crutzen of the Netherlands, who shared the 1995 Nobel Prize for chemistry for work on the ozone layer, showed a series of slides detailing concentrations of pollution in the atmosphere from man-made activities. U.N. Vatican Team Up for Climate Change Agenda 2015-04-28T04:00:00Z The study follows international negotiations last week in Bangkok, Thailand, where nations discussed the phaseout of HFCs under the Montreal Protocol, a global treaty meant to protect the planet's ozone layer. Spike in Air Conditioning Spews More Heat-Trapping Gases 2015-04-28T04:00:00Z N2O poses a "double whammy" threat because it is now the single biggest threat to the ozone layer. 'Laughing gas' emissions from farming understated in US - BBC News 2015-07-27T04:00:00Z HFCs initially came into common use in the 1990s following a global ban on chlorofluorocarbons, or CFCs, which were outlawed for damaging Earth’s protective ozone layer. Will governments ban this super pollutant that’s making Earth warmer? 2015-04-24T04:00:00Z Thirty years ago three scientists from Cambridge found a hole in the ozone layer, a shield high in the sky protecting us from potentially lethal solar radiation. Ozone layer hole: How its discovery changed our lives - BBC News 2015-05-15T04:00:00Z Many scientists thought the ozone layer was shrinking. A Reagan approach to climate change 2015-03-13T04:00:00Z George Schultz, Ronald Reagan’s secretary of state, says in the documentary that one of the president’s proudest moments was signing the ozone treaty to head off depletion of the ozone layer. Robert Kenner, ‘Merchants of Doubt’ documentary maker, compares spin doctors to magicians 2015-03-11T04:00:00Z "You're above the ozone layer so you have UV and you have cosmic rays," said Smith in the video. VIDEO: Jose Cuervo makes a margarita in space 2015-03-11T04:00:00Z “It was because of ballooning that we first noticed the hole in the ozone layer,” Hays explained. Palestine balloon facility still flying high 2015-03-08T05:00:00Z They were quickly outlawed across the globe once the ozone layer hole was discovered. Ozone layer hole: How its discovery changed our lives - BBC News 2015-05-15T04:00:00Z This is also the place where a hole in the ozone layer, from man-made refrigerants and aerosols, periodically parks for a couple months and causes trouble. Antarctica: Mystery continent holds key to mankind’s future 2015-02-20T05:00:00Z In addition, albedo modification introduces secondary effects on the ozone layer, precipitation patterns, terrestrial and marine ecosystems, and human health, with unknown social, political, and economic outcomes. In Geoengineering Study, Science Academy Sees Merit in CO2 Removal, Risk in Reflecting Sunlight 2015-02-10T05:00:00Z Once the margarita is above the ozone layer, Smith says it's in "Martian conditions." VIDEO: Jose Cuervo makes a margarita in space 2015-03-11T04:00:00Z You discovered the cause of the hole in the ozone layer of the atmosphere and received a Nobel Prize for your work. “It’s Totally Unacceptable for Society Not to Act” 2015-01-21T05:00:00Z Geoengineering experiments do carry risks: setting off artificial volcanoes all over the globe, for instance, might destroy the ozone layer. Tech to Cool Down Global Warming Should Be Tested Now 2014-12-23T05:00:00Z Even the far side of the planet facing away from Eta Carinae would not be spared, as the GRB’s intense energy would destroy the entire ozone layer while also sending superstorms rippling around the world. Fact or Fiction?: The Explosive Death of Eta Carinae Will Cause a Mass Extinction 2014-12-16T05:00:00Z One of the risks would be that such particles can encourage chemical reactions which deplete the ozone layer. Into the great wide open 2014-12-11T05:00:00Z Among the findings of his effort, he says, were that certain particles, including titanium dioxide and silicon dioxide, may harm the ozone layer as much as 100 times less than sulfates. What have climate engineering boffins learned? 2014-11-25T05:00:00Z Rather, if the explosion were close enough, the gamma rays would set off a chain of chemical reactions that would destroy the ozone layer in a planet's atmosphere. Complex life may be possible in only 10% of all galaxies 2014-11-24T05:00:00Z In September, the United Nations reported that after 30 years, the ozone layer is finally starting to rebound. Country Ham Scrambles for Greenhouse Gas Replacement 2014-10-22T04:00:00Z Second, the gamma rays would also stir up chemical reactions that create ozone-killing molecules sufficiently powerful to destroy more than 90% of an Earthlike planet’s ozone layer, and keep it destroyed for several years. Bolts from the blue 2014-10-16T04:00:00Z It was Midgley who invented chlorofluorocarbons - CFCs - the refrigerant gases later found to be responsible for opening up the hole in the ozone layer and increasing the incidence of skin cancer. The fatal attraction of lead 2014-10-11T04:00:00Z In a joint statement, India recognized the need to move toward the hydrofluorocarbon phase-out called for under the 1987 Montreal Protocol, an international treaty to eliminate substances that harm the ozone layer. Obama, India premier reach agreements on climate change, other issues 2014-09-30T04:00:00Z The chemicals, called hydrofluorocarbons or HFCs, became the popular alternative to the refrigerant, Freon, banned in the 1990s as a danger to the planet’s ozone layer. Big firms agree to cut use of coolants that add to global warming 2014-09-16T04:00:00Z That agreement was designed to cut emissions of gases that harm the ozone layer. U.S. Moves to Reduce Global Warming Emissions 2014-09-16T04:00:00Z The reviewers said the proposed 6th and 8th grade texts also contained false statements on the causes for the thinning of the ozone layer. Texas proposes rewriting school text books to deny manmade climate change 2014-09-16T04:00:00Z The class of chemicals to which R-134a belongs — called hydrofluorocarbons, or HFCs — became popular as a replacement for Freon, the refrigerant banned since the 1990s for damaging the Earth’s ozone layer. Obama targets a popular coolant in new effort to curb greenhouse gases Also, the ozone layer is still about 6 percent thinner than in 1980, by Newman’s calculations. Earth’s protective ozone layer is beginning to recover, a U.N. panel reports A U.N. report on Wednesday said that the ozone layer is showing its first signs of recovery after years of depletion, in a rare piece of good news about the environment. Warmer air caused ice shelf collapse off Antarctica 2014-09-11T04:00:00Z The ozone layer that shields the earth from cancer-causing ultraviolet rays is showing early signs of thickening after years of depletion, a UN study says. 'Signs of recovery' in ozone layer 2014-09-10T04:00:00Z The Earth's protective ozone layer is starting to repair itself, according to a panel of United Nations scientists. Ozone layer 'shows signs of recovery' 2014-09-10T04:00:00Z The class of chemicals to which R-134a belongs — called hydrofluorocarbons, or HFCs — became popular as a replacement for Freon, the refrigerant banned since the 1990s for damaging the Earth’s ozone layer. Obama targets a popular coolant in new effort to curb greenhouse gases Environment Program, said there are encouraging signs that the ozone layer “is on track to recovery by the middle of this century.” Earth’s protective ozone layer is beginning to recover, a U.N. panel reports The ozone layer appears to be continuing on the path to recovery, an international panel of 300 scientists reports today. Ozone recovery helped by warming climate : Nature News Blog 2014-09-09T04:00:00Z The study found that the ozone layer, the life-enabling boundary that shields the Earth from the sun’s ultraviolet rays, is showing signs of slight thickening after years of depletion. Good news: The ozone layer is showing signs of improvement 2014-09-10T04:00:00Z Paradoxically, heat-trapping greenhouse gases — considered the major cause of global warming — are also helping to rebuild the ozone layer, Newman said. Scientists say the ozone layer is recovering 2014-09-10T04:00:00Z The ozone layer that shields life from the sun's cancer-causing ultraviolet rays is showing its first sign of thickening after years of dangerous depletion, a U.N. study said on Wednesday. Threatened ozone layer shows first sign of recovery: U.N. 2014-09-10T04:00:00Z Paradoxically, heat- trapping greenhouse gases — considered the major cause of global warming — are also helping to rebuild the ozone layer, Newman said. Earth’s protective ozone layer is beginning to recover, a U.N. panel reports Some of these gases attack and destroy a planet’s protective ozone layer, which is why, here on Earth, the worst offenders were banned in 1987. The Search for Extraterrestrial Air Pollution 2014-07-24T04:00:00Z For those too young to remember, acid rain was - rather like the depletion of the ozone layer - an early environmental crisis, and an early success story. Up to our necks in a diabolical element 2014-07-18T04:00:00Z Citing the success of global action to fix the ozone layer, he said co-operation could help tackle environmental issues. G20 summit: Obama expected to discuss 'critical issue' of climate change 2014-06-25T04:00:00Z It just so happens that the best way to cut back on that haze and improve immediate air quality was to scale back on some of the emissions which also corrode the ozone layer. Colorado is ahead of the curve on reducing carbon emissions 2014-06-16T04:00:00Z It wasn’t until later in the 1970s that scientists discovered their destructive effects on the ozone layer. On the Environment: Forty-Four Years of Earth Day 2014-04-22T17:03:47Z But the recent discovery suggests the ozone layer is still being impacted. Study: New Man-Made Gases Eating Into Ozone Layer 2014-03-09T19:44:11Z "The identification of these four new gases is very worrying as they will contribute to the destruction of the ozone layer," said Dr Laube. New threat to ozone layer identified 2014-03-09T18:09:01Z An estimated 5 Teragrams of this black carbon would both absorb and block sunlight; heating the stratosphere and at least temporarily destroy much of earth’s protective ozone layer. Regional Nuclear War Would Still Wreak Global Climate Havoc, Says Study 2014-03-08T12:03:00Z As a result, each year, the ozone layer over the southern polar region experiences a deep thinning. Weather 'behind ozone hole changes' 2013-12-12T18:10:42Z In a report presented at global climate talks, Unep says the chemical is now the biggest threat to the ozone layer. 'Cinderella gas' threat to ozone 2013-11-21T13:44:07Z The ozone layer in the earth’s stratosphere filters ultraviolet solar rays that are harmful to human health. Study: New Man-Made Gases Eating Into Ozone Layer 2014-03-09T19:44:11Z Nitrous oxide gas, although its concentrations are tiny compared to CO2, is 298 times more warming and also plays a role in the destruction of the ozone layer. Warming gases reach record high 2013-11-06T10:07:24Z The imbroglio heated up in the 1970s, when the refrigerant compound known as R-12, a chlorofluorocarbon, was deemed a threat to the earth’s protective ozone layer. Greentech: Stopped Cold: Mercedes Sales Blocked in France 2013-08-23T20:48:23Z The moon lacks an ozone layer to block the harshest wavelengths of light emanating from the sun. Lunar artifacts: Golf balls, boots, urine bags await treasure hunters 2013-08-05T18:54:27Z "The continued build-up of N2O in the atmosphere will continue to deplete the stratospheric ozone layer and in so doing will to a degree undermine the achievements of the Montreal Protocol," says the document. 'Cinderella gas' threat to ozone 2013-11-21T13:44:07Z There were a lot of scientists who thought that the ozone layer was depleting. A Republican Secretary of State Urges Action on Climate Change 2013-07-24T11:15:00.650Z Sulfate aerosol spraying would change not just the temperature but the ozone layer, global rainfall patterns and the biosphere, too. Op-Ed Contributor: Geoengineering: Our Last Hope, or a False Promise? 2013-05-27T01:09:37Z Correction: May 22, 2013 A headline on Monday with an obituary about Joseph Farman, a researcher who established the existence of a hole in the ozone layer, misstated his age in some editions. Joseph Farman, 82, Is Dead; Discovered Ozone Hole 2013-05-22T01:26:30Z The deep thinning in the ozone layer over Antarctica appears in the springtime CFCs were routinely used at the time as refrigerants, spray-can propellants and as solvents. Man who discovered ozone hole dies 2013-05-13T15:45:01Z Nitrous oxide is also considered a greenhouse gas and is 310 times more dangerous to the Earth's ozone layer than carbon dioxide, said Joseph Johns, chief of the U.S. attorney's environmental crimes section. Feds raid 17 Calif. businesses for nitrous oxide 2013-03-23T08:31:07Z The report, titled "American Teens' Knowledge of Climate Change," also found that "44 percent of teens believe that stopping rockets from punching holes in the ozone layer would reduce global warming." Teach the Controversy Comes to Climate Science 2013-03-06T16:15:01.247Z Instead, a hole in the ozone layer that appears seasonally over Antarctica last year reached its second-smallest size in two decades. Ozone layer on the mend 2013-01-22T18:54:00Z But if it occurred even closer - just a few hundred light-years away - it would destroy our ozone layer, with devastating effects for life on Earth. 'Cosmic bang' hit Medieval Earth 2013-01-21T06:00:05Z Westerly winds are strengthening and the circumpolar current is intensifying, driven by atmospheric warming and a hole in the ozone layer over Antarctica. Polar research: Trouble bares its claws 2012-12-12T18:21:17.153Z The Environmental Protection Agency has tried to reduce use of this gas, HCFC-22, which depletes the ozone layer and contributes to global warming, by imposing strict quotas on its production. Chilling Effect: Air-Conditioner Repairs Undermine Coolant Restrictions 2012-11-23T02:46:15Z The Reagan administration was generally skeptical about costly environmental rules, but with respect to protection of the ozone layer, Reagan was an environmentalist hero. Opinion: Climate Change: Lessons From Ronald Reagan 2012-11-10T19:03:19Z Tackling climate change also means taking on some of the same opponents among industry lobbyists and others who opposed action over the ozone layer, she adds. Ozone layer on the mend 2013-01-22T18:54:00Z As well as contributing to warming, experts say their impact on the ozone layer, while less than CFCs, is still too high. Fluorinated Gases Used as Coolants Must Fall to Curb Global Warming 2012-11-06T19:15:02.507Z As an analogy, at some point measurements of stratospheric ozone depletion were considered to point to the risk of a hole developing in the ozone layer. Socially responsible science 2012-10-10T21:51:33.387Z Some of these gases also degraded the atmosphere’s protective ozone layer, and the news inflamed public worries about the fragility of the atmosphere. The Discovery of Global Warming [Excerpt] 2012-08-17T14:15:00.500Z Makes sense, they say, because these trout live near the world's biggest hole in the ozone layer—meaning more exposure to UV rays. UV Gives Fish Skin Cancer 2012-08-06T00:45:00.180Z One fundamental difference is that replacing the chemicals that damage the ozone layer is relatively cheap and easy. Ozone layer on the mend 2013-01-22T18:54:00Z The Great Barrier Reef lies directly below the largest hole in the ozone layer, which means the region receives significantly more UV radiation than other place on Earth. Yes, Fish Get Skin Cancer, Too 2012-08-01T22:00:00Z And the sulfates might eat away at the protective ozone layer. Could Geoengineering Stop Heat Waves? 2012-07-15T15:45:00.437Z The Conservatives intend to stop funding an Arctic environment atmospheric research laboratory, a move U.S. scientists complain will harm the world's ability to monitor the ozone layer. Canadian scientists protest against spending cuts 2012-07-10T19:20:08Z Air-conditioning gases are regulated primarily through a 1987 treaty called the Montreal Protocol, created to protect the ozone layer. India Ink: Relief in Every Window, but Global Worry, Too 2012-06-21T10:11:32Z |
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