| 单词 | chlorofluorocarbon |
| 例句 | With an instinct for the regrettable that was almost uncanny, he invented chlorofluorocarbons, or CFCs. A Short History of Nearly Everything 2003-05-06T00:00:00Z In short, chlorofluorocarbons may ultimately prove to be just about the worst invention of the twentieth century. A Short History of Nearly Everything 2003-05-06T00:00:00Z Before the 1980s, the primary coolants used in refrigerators were chlorofluorocarbons or CFCs. Coca-Cola’s biggest challenge in greening its operations is its own global marketing strategy 2023-05-23T04:00:00Z For average kids ignorant of the evils in plastics, fossil fuels, and chlorofluorocarbons, the eighties were a time of optimism about technology and progress. Jackson Heights, Roller Skates 2014-10-24T04:00:00Z In Earth's atmosphere, CO2 and chlorofluorocarbon are the main factors. Algae's surprising potential to help ease climate change worries 2023-10-25T04:00:00Z 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 It aims to phase out the use of hydrofluorocarbons, a type of chemical that replaced chlorofluorocarbons after the Montreal Protocol went into effect. Ozone Treaty Delayed Arctic Melting by 15 Years 2023-05-23T04:00:00Z About 80% of the chlorine in the atmosphere is a legacy of chlorofluorocarbons, chemicals used in aerosol sprays and as refrigerants starting in the 1930s. Australia's Massive Wildfires Shredded the Ozone Layer—Now Scientists Know Why 2023-03-10T05:00:00Z 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 That largely includes a class known as chlorofluorocarbons, or CFCs, which contain ozone-depleting chlorine and were used in refrigerators, air conditioners and aerosol cans. Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says 2023-01-09T05:00:00Z CFC-11 and similar chemicals, collectively called chlorofluorocarbons, destroy ozone, which blocks ultraviolet radiation from the sun that can cause skin cancer and otherwise harm people and other living things. Restoration of the Ozone Layer Is Back on Track, Scientists Say 2023-01-09T05:00:00Z The international agreement to phase out ozone-depleting chlorofluorocarbons is widely regarded as one of the most successful environmental treaties of all time. Ozone Treaty Delayed Arctic Melting by 15 Years 2023-05-23T04:00:00Z Chemical pollutants — like nitrogen dioxide and chlorofluorocarbons on Earth are almost exclusively produced by human industry. Signatures of alien technology could be how humanity first finds extraterrestrial life 2022-11-02T04:00:00Z 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 He quickly mentioned the chlorofluorocarbons work, the exofarm paper and the visibility of nitrogen pollutants from afar. The Search for Intelligent Life Is About to Get a Lot More Interesting 2022-09-15T04:00:00Z When scrapped, they molder in junkyards, emitting chlorofluorocarbons, and dripping oils and acids that are a hazard to groundwater. Some Carmakers Say Recycling Car Parts Is the Future. But Is It Realistic? 2022-08-31T04:00:00Z By international agreement, the production of industrial chemicals that cause ozone depletion, called chlorofluorocarbons, or CFCs, has been phased out. Astronomy 2016-10-13T00:00:00Z Freon, a chlorofluorocarbon, was the solution to replace toxic and flammable ammonia in refrigerators, but then it caused stratospheric ozone depletion. How to destroy a "forever chemical": Scientists are discovering ways to eliminate PFAS 2022-08-20T04:00:00Z This unexpectedly revealed the spread of chlorofluorocarbons around the globe and the build-up of the pesticide DDT in the environ-ment, leading to restrictions on the use of these substances. In Memoriam: James Lovelock (1919-2022) 2022-08-09T04:00:00Z Even in the most remote reaches of the South Atlantic, Dr. Lovelock’s device found that the air carried chlorofluorocarbons then used in aerosols, refrigerants and other commercial applications. James Lovelock, creator of Gaia theory of ‘living’ Earth, dies at 103 2022-07-28T04:00:00Z He also discovered that the family of persistent man-made compounds known as chlorofluorocarbons were measurably present even in the clean air over the Atlantic Ocean. James Lovelock, Whose Gaia Theory Saw the Earth as Alive, Dies at 103 2022-07-27T04:00:00Z His contribution to environmental science included developing a device to measure ozone-depleting chlorofluorocarbons in the atmosphere and pollutants in air, soil and water. James Lovelock, creator of Gaia ecology theory, dies at 103 2022-07-27T04:00:00Z They include two, called chlorofluorocarbons, that are man-made super warmers that have been banned by treaties. Record Methane Spike Boosts Heat Trapped by Greenhouse Gases 2022-06-01T04:00:00Z Polar ozone loss depends on chlorine, still lingering in the stratosphere from chlorofluorocarbons and other pollutants even though they were banned decades ago. High-flying wildfire smoke may threaten ozone layer 2021-11-18T05:00:00Z 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 It was caused by the chlorofluorocarbons - greenhouse gases better known as CFCs - then used in aerosols and refrigerants. Climate change: The environmental disasters we've almost fixed 2021-10-24T04:00:00Z Wilson, an essayist and poet, explores the unintended consequences of technological progress through the rise and fall of ozone-destroying chlorofluorocarbons. Exploring Black Sci-Fi, Learning through Color, the Cost of Cooling, and Other New Books 2021-07-11T04:00:00Z 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 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 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 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 The miniholes disappear however as the chlorine-laden plumes mix into the global stratosphere, and all the chlorine emitted by SRMs each year is small and short-lived compared to the chlorine released by the notorious chlorofluorocarbons. An Underappreciated Danger of the New Space Age: Global Air Pollution 2020-11-06T05:00:00Z 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 Despite a global ban on chlorofluorocarbons, the chemicals still are being produced illegally, and every year a “hole” in the ozone opens up over the Southern Hemisphere. Why call recent disasters ‘natural’ when they really aren’t? 2021-02-02T05:00:00Z 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 The team will first model chlorofluorocarbons—a pollutant that isn’t produced naturally—and vast solar power arrays, because they would leave an obvious cutoff in the ultraviolet part of the spectrum. How big money is powering a massive hunt for alien intelligence 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 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 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 Universal recognition of an imminent threat to life on the planet and the consistency of the science linking chlorofluorocarbons to ozone depletion inspired the 1987 Montreal Protocol banning their production. How to help the free market fight coronavirus 2020-03-23T04:00:00Z For example, during the 1980s, a group of 20 nations agreed to set various limits on the production and consumption of chlorofluorocarbons. Set a global target for ecosystems 2020-02-17T05:00:00Z With the rest of the world and even industry on board, the result was the 1987 Montreal Protocol, a landmark agreement banning chlorofluorocarbons and other ozone-depleting chemicals. Opinion | The World Solved the Ozone Problem. It Can Solve Climate Change. 2019-12-07T05:00:00Z 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 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 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 He noted the success of efforts to reduce emissions of ozone-depleting chlorofluorocarbons in the 1990s. 2018 Nobel in Economics Is Awarded to William Nordhaus and Paul Romer 2018-10-08T04:00:00Z 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 The protocol was adopted in the late 1980s in response to studies that showed CFC-11 and similar gases, collectively known as chlorofluorocarbons, depleted atmospheric ozone. Banned Ozone-Harming Gas Creeps Back, Suggesting a Mystery Source 2018-05-16T04:00:00Z 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 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 Over the last three decades, the U.S. and other nations dramatically lowered the chlorofluorocarbons in hair sprays and other products that depleted the ozone. Trump Administration Is Launching a Weather and Climate Satellite 2017-10-24T04:00:00Z 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 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 Scientists have used other molecules as tracers, specifically chlorofluorocarbons that were once used in refrigeration. Radioactive 'pooh sticks' trace carbon's ocean journey - BBC News 2017-08-16T04:00:00Z A bright spot in the report is the decline of chlorofluorocarbons’ warming influence on the planet. Greenhouse gases are rapidly changing the atmosphere 2017-07-18T04:00:00Z 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 In the late 1970s and 1980s, he and other scientists visited government leaders across the United States, building support for a ban on chlorofluorocarbons that eventually garnered federal attention. Ralph J. Cicerone (1943-2016) : Nature : Nature Research 2016-12-13T05:00:00Z Such research led in 1987 to the Montreal Protocol, the global treaty banning chlorofluorocarbons and other chemicals that had been used as aerosol propellants and coolants. Ralph Cicerone, Scientist Who Sounded Climate Change Alarm, Dies at 73 2016-11-07T05:00:00Z Cicerone was an internationally renowned researcher heralded for work that revealed organic compounds called chlorofluorocarbons, methane and other trace gases were on track to surpass carbon dioxide as the main greenhouse gases driving global warming. Ralph Cicerone, former UC Irvine chancellor who studied the causes of climate change, dies at 73 2016-11-05T04:00:00Z For decades, a class of chemicals called chlorofluorocarbons, or CFCs, were used widely in air-conditioners and refrigerators, as well as in aerosol sprays and cleaning products. 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 This was crucial for the creation of the Montreal Protocol, the global treaty banning chlorofluorocarbons, which went into force in 1989. Ralph J. Cicerone (1943-2016) : Nature : Nature Research 2016-12-13T05:00:00Z 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 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 Forty years ago, when scientists first installed a dome there, the world was awakening to concerns about ozone-erasing chlorofluorocarbons. Whale Hunters of the Warming Arctic 2016-09-05T04:00:00Z 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 HFCs are used in air conditioning and refrigeration as a substitute for ozone-depleting chlorofluorocarbons, whose use was eliminated under the Montreal Protocol. Vienna climate meeting aims for progress on deal to cut HFC use 2016-07-19T04:00:00Z 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 The 1987 global treaty called the Montreal Protocol sought to reduce the ozone hole by banning chlorofluorocarbons, chlorine-containing chemicals — used as refrigerants in products such as air conditioners — that accelerated ozone loss in the stratosphere. Antarctic ozone hole is on the mend 2016-06-29T04:00:00Z It was so Cold War, so 1970s, like protesting Love Canal or chlorofluorocarbons. I loved her protest, but I felt sad about White House vigil keeper 2016-01-26T05:00:00Z After nearly five years of talks, the group produced the Montreal Protocol — a treaty to reduce the emissions of chlorofluorocarbons, or CFCs, on a broad scale. 5 United Nations Achievements Worth Celebrating on U.N. Day 2015-10-23T04:00:00Z The data spurred the international community to ban ozone-destroying chlorofluorocarbon chemicals. Don't Blind NASA to Earth's Climate 2015-08-21T04:00:00Z That crisis, the so-called ozone hole, was the product of chemicals known as chlorofluorocarbons, or CFCs. The Woman Who Could Stop Climate Change 2015-08-24T04:00:00Z 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 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 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 Man-made chlorofluorocarbons, or CFCs, released chlorine and bromine, which destroyed ozone molecules high in the air. Earth’s protective ozone layer is beginning to recover, a U.N. panel reports In this case, the relevant models involve chlorofluorocarbons, or CFC’s, the chemicals used in refrigerators and air conditioners. The Search for Extraterrestrial Air Pollution 2014-07-24T04:00:00Z Recently, some astronomers have suggested they might even be able to see industrial pollution as well, in particular chlorofluorocarbons, the greenhouse gases that also destroy ozone. More Eyes on the Skies 2014-07-21T04:00:00Z Current law allows restaurants and other food vendors to use foam containers as long as they’re not made with chlorofluorocarbons. Honolulu mulls foam, plastic food container ban 2014-05-29T04:00:00Z Conventional air conditioners employ refrigerants such as chlorofluorocarbons to absorb heat from the room to be cooled. New Technologies Aim to Save Energy--and Lives--with Better Air Conditioning 2013-09-06T14:45:00.683Z 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 Their journal paper also recorded the ever increasing load of chlorofluorocarbons in the high atmosphere, confirming theoretical concern that the man-made chemicals could be depleting ozone. Man who discovered ozone hole dies 2013-05-13T15:45:01Z Prime examples are the chlorofluorocarbons, those refrigerant gases which are non-poisonous. Jared Diamond On Traditional Society, Warfare And Eschewing Technology Plus Updated Commentary 2013-02-13T04:06:33Z The hole began making a yearly appearance in the early 1980's as a result of the release of manmade chemicals called chlorofluorocarbons or CFCs. Green Blog: On Our Radar: A Shrunken Ozone Hole 2012-10-25T20:13:24Z Another invention of his, the electron capture detector, helped point to the rise of chlorofluorocarbons. Visionary or Vision-Impaired? Lovelock Is Both 2012-05-01T15:45:06.023Z In 1974, Dr. Sherwood Rowland, a young research scientist, warned the world that chlorofluorocarbons, man-made chemicals found in aerosol sprays and refrigerators, were damaging the earth’s ozone layer. Green Blog: When the World Tackled an Environmental Threat, and Won 2012-03-28T15:18:39Z A generation later, Dr. Rowland did research that disrupted industries that made and marketed deodorant, hair spray and refrigerators, products using chlorofluorocarbons. Green Blog: A Reminder That Science Can Override Pressure 2012-03-14T11:29:08Z Accolades flow in for F. Sherwood Rowland, who won the Nobel Prize in chemistry two decades after reporting that chlorofluorocarbons were destroying the ozone layer. Green Blog: On Our Radar: Saluting a Colossus of Chemistry 2012-03-12T15:03:48Z Methane, ozone, nitrous oxide and chlorofluorocarbons are also greenhouse gases. Climate Change: A planet in flux 2012-02-29T18:21:19.490Z Probably the greatest example is CFCs, or chlorofluorocarbons. The Father of Green Chemistry 2012-02-02T22:15:48Z So far, the clearest discernable impact of policies was a decrease in chlorofluorocarbons, or CFCs, which were banned because they caused depletion of the ozone layer. Record High Greenhouse Gases to Linger for Decades 2011-11-21T20:45:03.590Z HFCs are replacements for hydrochlorofluorocarbons, or HCFCs, gases that gained favor in the early 1990s as an alternative to chlorofluorocarbons, or CFCs, linked by scientists to the depletion of the ozone layer. Air-Conditioning HFC Gas Must Be Curbed to Aid Climate, UN Says 2011-11-21T08:54:46Z The dismantling of appliances in the Untha system takes place in a vacuum so that the gases, commonly known as freons, CFCs or chlorofluorocarbons, cannot escape into the atmosphere. Novelties: Recyclers Extract Coolant From Old Refrigerators 2011-09-24T18:53:02Z These particles host the chemical reactions by which long-lived chlorofluorocarbons catalyse the breakdown of ozone. Environment: Canadian ozone network faces axe 2011-09-14T17:20:59.247Z The agency is also establishing another type of offset, involving ozone-depleting compounds such as chlorofluorocarbons, which are powerful greenhouse gases not included in the United Nations' 1997 Kyoto Protocol for reducing greenhouse-gas concentrations. Energy: America's top climate cop 2011-05-18T17:20:30.677Z Manufacturers once used chlorofluorocarbons, known as CFCs, for that job. Green: When Refrigerators Warm the Planet 2011-04-26T22:19:09Z Mr. Peterson helped lead a task force whose work contributed to the global phase-out of chlorofluorocarbons, the organic chemicals widely used as refrigerants that contribute to depletion of the ozone. R.W. Peterson, Leader on Environment, Dies at 94 2011-02-24T03:01:08Z The magic ingredients in the aerosols were chlorofluorocarbons, or CFCs. Green Lantern: Some air fresheners contain ingredients that may be harmful 2010-09-14T04:00:00Z Regulations are outlawing certain refrigerants, such as chlorofluorocarbons, which contain ozone-depleting chemicals. Air-conditioning: Keeping cool and green 2010-07-15T10:43:00Z And today we will add 2,700 tons of chlorofluorocarbons to the atmosphere and 15 million tons of carbon. 2010-01-17T23:02:00Z |
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