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单词 DDT
例句 DDT
The farmer had treated about 60 acres of land with a dust containing DDT and benzene hexachloride. Silent Spring 1962-09-27T00:00:00Z
But it was the use of DDT, and its potential health risks to both animals and humans, that grabbed the public’s attention. An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793 2003-06-23T00:00:00Z
What then can be a “safe dose” of DDT? Silent Spring 1962-09-27T00:00:00Z
Always, the pattern of death assumed a characteristic shape: the smell of DDT over the forests, an oil film on the water surface, dead trout along the shoreline. Silent Spring 1962-09-27T00:00:00Z
The DDT will turn up in the milk in the amount of about 3 parts per million, but in butter made from this milk the concentration may run to 65 parts per million. Silent Spring 1962-09-27T00:00:00Z
Yes, grandchildren, I know that DDT is a very bad poison. Code Talker: A Novel About the Navajo Marines of World War Two 2005-01-01T00:00:00Z
The next year, nevertheless, flies were resistant to DDT and chlordane. Silent Spring 1962-09-27T00:00:00Z
Dr. Arnold Lehman, who is the chief pharmacologist of the Food and Drug Administration, says there is neither a floor below which DDT is not absorbed nor a ceiling beyond which absorption and storage ceases. Silent Spring 1962-09-27T00:00:00Z
Denied a preliminary injunction, the protesting citizens had to suffer the prescribed drenching with DDT, but thereafter persisted in efforts to obtain a permanent injunction. Silent Spring 1962-09-27T00:00:00Z
In the United States, DDT resistance among flies had become widespread in the Tennessee Valley by 1948. Silent Spring 1962-09-27T00:00:00Z
In still another comparative study, DDT was found in the tissues of fish from a hatchery where the water supply originated in a deep well. Silent Spring 1962-09-27T00:00:00Z
The chemical chosen for a fresh attack was DDD, a close relative of DDT but apparently offering fewer threats to fish life. Silent Spring 1962-09-27T00:00:00Z
The book became a best seller and convinced many citizens and politicians of the dangers posed by indiscriminate spraying of DDT and other chemicals. An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793 2003-06-23T00:00:00Z
This understandable misconception arises from the fact that — unlike other chlorinated hydrocarbons — DDT in powder form is not readily absorbed through the skin. Silent Spring 1962-09-27T00:00:00Z
The pest itself was found to be almost completely unaffected by the DDT, while its predator was extremely sensitive. Silent Spring 1962-09-27T00:00:00Z
But now the stream insects were dead, killed by the DDT, and there was nothing for a young salmon to eat. Silent Spring 1962-09-27T00:00:00Z
Others carried heavy residues; a sample of peas analyzed at Cornell University’s Agricultural Experiment Station contained 14 to 20 parts per million of DDT. Silent Spring 1962-09-27T00:00:00Z
Against such a background, the future of the salmon fisheries in New Brunswick may well depend on finding a substitute for drenching forests with DDT. Silent Spring 1962-09-27T00:00:00Z
All fish analyzed, whether taken alive or dead, had stored DDT in their tissues. Silent Spring 1962-09-27T00:00:00Z
When DDT powder was applied to a group of Korean soldiers the extraordinary result was an actual increase in the infestation of lice. Silent Spring 1962-09-27T00:00:00Z
Our first knowledge of the symptoms of acute poisoning by DDT was furnished by several British investigators, who deliberately exposed themselves in order to learn the consequences. Silent Spring 1962-09-27T00:00:00Z
Dr. Hueper now gives DDT the definite rating of a “chemical carcinogen.” Silent Spring 1962-09-27T00:00:00Z
For a number of years California rice growers have been treating seed with DDT as protection against tadpole shrimp and scavenger beetles which sometimes damage seedling rice. Silent Spring 1962-09-27T00:00:00Z
One, represented by DDT, is known as the “chlorinated hydrocarbons.” Silent Spring 1962-09-27T00:00:00Z
As might have been expected, all of these fish contained DDT. Silent Spring 1962-09-27T00:00:00Z
Apparently the adult mosquitoes had become sufficiently tolerant of DDT to escape from sprayed buildings and rest and recover in the open. Silent Spring 1962-09-27T00:00:00Z
There the ways of civilization prevailed, and the meals in this hospital were found to contain as much DDT as those in the most populous city. Silent Spring 1962-09-27T00:00:00Z
The robins, he reminds us, did not die as a direct result of the spraying of DDT. Silent Spring 1962-09-27T00:00:00Z
Another British experimenter who applied DDT in acetone solution to his skin reported heaviness and aching of limbs, muscular weakness, and “spasms of extreme nervous tension.” Silent Spring 1962-09-27T00:00:00Z
Other eggs were taken from nests left unattended as parent robins were stricken with poison; these too contained DDT. Silent Spring 1962-09-27T00:00:00Z
As tested on quail and pheasants, it has proved to be about 40 to 50 times as toxic as DDT. Silent Spring 1962-09-27T00:00:00Z
Some malaria mosquitoes have a habit that so reduces their exposure to DDT as to make them virtually immune. Silent Spring 1962-09-27T00:00:00Z
Production of young birds on the New Brunswick breeding grounds is definitely reduced, and adult birds that have been analyzed contain large residues of DDT and heptachlor. Silent Spring 1962-09-27T00:00:00Z
Milk samples taken from the Wallers’ purebred Guernsey cows 48 hours later contained DDT in the amount of 14 parts per million. Silent Spring 1962-09-27T00:00:00Z
When these bedbugs were experimentally placed in cloth impregnated with DDT, they lived for as long as a month; they proceeded to lay their eggs; and the resulting young grew and thrived. Silent Spring 1962-09-27T00:00:00Z
The old legend that “a pound of DDT to the acre is harmless” means nothing if spraying is repeated. Silent Spring 1962-09-27T00:00:00Z
As few as 11 large earthworms can transfer a lethal dose of DDT to a robin. Silent Spring 1962-09-27T00:00:00Z
In it, she warned of the dangers of pesticides like DDT. The Omnivore's Dilemma 2006-04-11T00:00:00Z
Three nuthatches he found later provided a sorry little step-by-step lesson in cause and effect: one was feeding on an elm, another was found dying of typical DDT symptoms, the third was dead. Silent Spring 1962-09-27T00:00:00Z
Almost immediately DDT was hailed as a means of stamping out insect- borne disease and winning the farmers’ war against crop destroyers overnight. Silent Spring 1962-09-27T00:00:00Z
This enzyme occurs only in flies that possess a genetic factor for DDT resistance. Silent Spring 1962-09-27T00:00:00Z
Packaged foods in warehouses are subjected to repeated aerosol treatments with DDT, lindane, and other insecticides, which may penetrate the packaging materials and occur in measurable quantities on the contained foods. Silent Spring 1962-09-27T00:00:00Z
While the DDT had killed off all stream insects the year before, the smallest of the insects — the midges and blackflies — had returned in numbers. Silent Spring 1962-09-27T00:00:00Z
Probably the first medical use of modern insecticides occurred in Italy in 1943 when the Allied Military Government launched a successful attack on typhus by dusting enormous numbers of people with DDT. Silent Spring 1962-09-27T00:00:00Z
It is 15 times as poisonous as DDT to mammals, 30 times as poisonous to fish, and about 300 times as poisonous to some birds. Silent Spring 1962-09-27T00:00:00Z
Dissolved in oil, as it usually is, DDT is definitely toxic. Silent Spring 1962-09-27T00:00:00Z
"Let's see if those lice have had enough DDT," he said. Hole in My Life 2002-03-26T00:00:00Z
The control of body lice in Naples was one of the earliest and most publicized achievements of DDT. Silent Spring 1962-09-27T00:00:00Z
The effect of a chemical of supposedly innocuous nature can be drastically changed by the action of another; one of the best examples is a close relative of DDT called methoxychlor. Silent Spring 1962-09-27T00:00:00Z
Soils from apple orchards seem to reach the peak of contamination, with DDT accumulating at a rate that almost keeps pace with its rate of annual application. Silent Spring 1962-09-27T00:00:00Z
As resistance developed, however, they could be found at rest on surfaces where the deposit of DDT beneath them was clearly visible by torchlight. Silent Spring 1962-09-27T00:00:00Z
For example, fields of alfalfa are dusted with DDT; meal is later prepared from the alfalfa and fed to hens; the hens lay eggs which contain DDT. Silent Spring 1962-09-27T00:00:00Z
This is what happened in some of the western national forests a few years ago, when in 1956 the United States Forest Service sprayed some 885,000 acres of forested lands with DDT. Silent Spring 1962-09-27T00:00:00Z
Heptachlor, the chemical chiefly used, is only slightly less toxic to fish than DDT. Silent Spring 1962-09-27T00:00:00Z
Perhaps racism is like DDT, the poison that was banned decades ago, but which, because it persists in the environment, is still found within our bodies. The Best of Enemies 1996-04-01T00:00:00Z
Chickens poisoned by aldrin used on a neighboring farm have passed on the chemical to their eggs; hens experimentally fed DDT laid eggs containing as much as 65 parts per million. Silent Spring 1962-09-27T00:00:00Z
DDT, methoxychlor, malathion, phenothiazine, and various dinitro compounds are among the numerous pesticides that have been found to inhibit one or more of the enzymes concerned in the cycle of oxidation. Silent Spring 1962-09-27T00:00:00Z
She had lived on ducks and shorebirds, and she had ingested DDT. Frightful's Mountain 2001-05-21T00:00:00Z
It is widely believed that since so many people came into extremely intimate contact with DDT and suffered no immediate ill effects the chemical must certainly be innocent of harm. Silent Spring 1962-09-27T00:00:00Z
Perhaps the most troublesome situation concerns the codling moth, which is now resistant to DDT in practically all of the world’s apple-growing regions. Silent Spring 1962-09-27T00:00:00Z
In Malaya, at Kuala Lumpur, mosquitoes at first reacted to DDT by leaving the treated interiors. Silent Spring 1962-09-27T00:00:00Z
Afterward, I was dusted with DDT and given clean clothes and assigned to a sunny yellow cell to relax until the lice died. Hole in My Life 2002-03-26T00:00:00Z
Second, concern about the health risks and environmental problems associated with the use of DDT increased during the 1960s. An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793 2003-06-23T00:00:00Z
Congress because it killed millions of birds, fish, and amphibians after World War II, the insecticide called DDT was still being used in South America. Frightful's Mountain 2001-05-21T00:00:00Z
In laboratory tests on animal subjects, DDT has produced suspicious liver tumors. Silent Spring 1962-09-27T00:00:00Z
DDT is now so universally used that in most minds the product takes on the harmless aspect of the familiar. Silent Spring 1962-09-27T00:00:00Z
Mosquitoes exposed to DDT for several generations turned into strange creatures called gynandromorphs — part male and part female. Silent Spring 1962-09-27T00:00:00Z
This suggestion is strongly supported by recent studies by Dr. Wallace and a graduate student, Richard F. Bernard, who found high concentrations of DDT in robins on the Michigan State University campus. Silent Spring 1962-09-27T00:00:00Z
In the meantime, the chemical had been changed to the even more toxic aldrin, 100 to 300 times as toxic as DDT in tests on quail. Silent Spring 1962-09-27T00:00:00Z
The first cases of DDT resistance among agricultural insects appeared in the United States in 1951, about six years after its first use. Silent Spring 1962-09-27T00:00:00Z
The Department of Agriculture, in a Home and Garden Bulletin, advises us to spray our clothing with oil solutions of DDT, dieldrin, chlordane, or any of several other moth killers. Silent Spring 1962-09-27T00:00:00Z
Even in the second year after DDT enters a stream, a foraging salmon parr would have trouble finding anything more than an occasional small stonefly. Silent Spring 1962-09-27T00:00:00Z
For example, quail into whose diet DDT was introduced throughout the breeding season survived and even produced normal numbers of fertile eggs. Silent Spring 1962-09-27T00:00:00Z
In some areas of Egypt, flies had already become resistant to DDT by 1948; BHC was substituted but was effective for less than a year. Silent Spring 1962-09-27T00:00:00Z
When lice were collected and tested, it was found that 5 per cent DDT powder caused no increase in their natural mortality rate. Silent Spring 1962-09-27T00:00:00Z
All we could do was spray DDT everywhere. Code Talker: A Novel About the Navajo Marines of World War Two 2005-01-01T00:00:00Z
To combat it, spraying with DDT was begun, first in a small way, then at a suddenly accelerated rate in 1953. Silent Spring 1962-09-27T00:00:00Z
Chlordane, another chlorinated hydrocarbon, has all these unpleasant attributes of DDT plus a few that are peculiarly its own. Silent Spring 1962-09-27T00:00:00Z
The spider mite, for example, has become practically a worldwide pest as DDT and other insecticides have killed off its enemies. Silent Spring 1962-09-27T00:00:00Z
Even before the 1957 spraying, the beekeepers had suffered heavily from use of DDT in orchards. Silent Spring 1962-09-27T00:00:00Z
Examination of a biopsy specimen of fat showed an accumulation of 23 parts per million of DDT. Silent Spring 1962-09-27T00:00:00Z
Large residues of DDT and other hydrocarbons have been found whenever looked for in the eggs of birds subjected to these chemicals, either experimentally or in the wild. Silent Spring 1962-09-27T00:00:00Z
The concentration of DDT used is many times the amount that will kill an adult pheasant. Silent Spring 1962-09-27T00:00:00Z
It was therefore more than clear that spraying at the rate of a pound of DDT to the acre posed a serious threat to the fishes in forest streams. Silent Spring 1962-09-27T00:00:00Z
In terms of their effects on birds, the prescribed use of heptachlor would be equivalent to 20 pounds of DDT to the acre, that of dieldrin to 120 pounds! Silent Spring 1962-09-27T00:00:00Z
Dieldrin, named for a German chemist, Diels, is about 5 times as toxic as DDT when swallowed but 40 times as toxic when absorbed through the skin in solution. Silent Spring 1962-09-27T00:00:00Z
Dr. Barker found deposits of DDT throughout the digestive tracts of the worms, their blood vessels, nerves, and body wall. Silent Spring 1962-09-27T00:00:00Z
Scientists do not agree upon how much DDT can be stored in the human body. Silent Spring 1962-09-27T00:00:00Z
But it was the advent of DDT and all its many relatives that ushered in the true Age of Resistance. Silent Spring 1962-09-27T00:00:00Z
One of the most sinister features of DDT and related chemicals is the wav they are passed on from one organism to another through all the links of the food chains. Silent Spring 1962-09-27T00:00:00Z
Laboratory analyses of their tissues revealed high concentrations of DDT — as much as 46 parts per million. Silent Spring 1962-09-27T00:00:00Z
In Vermont, for example, the end results of bacterial control were as good as those obtained with DDT. Silent Spring 1962-09-27T00:00:00Z
Even in a single season, with orchards sprayed four or more times, DDT residues may build up to peaks of 30 to 50 pounds. Silent Spring 1962-09-27T00:00:00Z
The spray was a 25 per cent DDT concentrate suspended in a solvent containing methylated naphthalenes. Silent Spring 1962-09-27T00:00:00Z
With the advent of DDT and the even more toxic chemicals to follow, the populations of the vedalia in many sections of California were wiped out. Silent Spring 1962-09-27T00:00:00Z
On occasion tremors shook his whole body — tremors of the sort now made all too familiar by the sight of birds poisoned by DDT. Silent Spring 1962-09-27T00:00:00Z
Since DDT was released for civilian use, a process of escalation has been going on in which ever more toxic materials must be found. Silent Spring 1962-09-27T00:00:00Z
The first malaria mosquito to develop resistance to DDT was Anopheles sacharovi in Greece. Silent Spring 1962-09-27T00:00:00Z
The individual exposed to DDT, for example, is almost certain to be exposed to other liver-damaging hydrocarbons, which are so widely used as solvents, paint removers, degreasing agents, dry-cleaning fluids, and anesthetics. Silent Spring 1962-09-27T00:00:00Z
In Michigan, eggs taken from the oviducts of robins dead of DDT poisoning showed concentrations up to 200 parts per million. Silent Spring 1962-09-27T00:00:00Z
The oriental rat flea, the principal vector of plague, has recently demonstrated resistance to DDT, a most serious development. Silent Spring 1962-09-27T00:00:00Z
Potato soils have been found to contain up to 15 pounds of DDT per acre, corn soils up to 19. Silent Spring 1962-09-27T00:00:00Z
In mid-August she had gone into her basement with an aerosol spray containing DDT and petroleum distillate. Silent Spring 1962-09-27T00:00:00Z
Among the general population with no known gross exposures to insecticides it may be assumed that much of the DDT stored in fat deposits has entered the body in food. Silent Spring 1962-09-27T00:00:00Z
Along with destroying breeding areas, adult mosquito populations were also attacked with the widespread use of the pesticide dichloro-diphenyl-trichloroethane, better known as DDT, much of it sprayed from planes. An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793 2003-06-23T00:00:00Z
It makes the progenitor of all this group of insecticides, DDT, seem by comparison almost harmless. Silent Spring 1962-09-27T00:00:00Z
The first samples were taken from forest areas in the West where there had been mass spraying of DDT for the control of the spruce budworm. Silent Spring 1962-09-27T00:00:00Z
In the Belgian Congo and Uganda the results of heavy applications of DDT against an insect pest of the coffee bush were almost “catastrophic.” Silent Spring 1962-09-27T00:00:00Z
As the aerial spraying of DDT increased, so did the number of suits filed in the courts. Silent Spring 1962-09-27T00:00:00Z
There was only one exception — two white owls from Point Hope carried small amounts of DDT, perhaps acquired in the course of some migratory journey. Silent Spring 1962-09-27T00:00:00Z
One pond that had been treated with DDT to remove unwanted shiners remained so poisonous through repeated drainings and flushings that it killed 94 per cent of the sunfish with which it was later stocked. Silent Spring 1962-09-27T00:00:00Z
Forest Service officials declared they had acted on advice that 1 pound of DDT to the acre was “safe.” Silent Spring 1962-09-27T00:00:00Z
First it was DDT and other pesticides that killed the great peregrines, he mused. Frightful's Mountain 2001-05-21T00:00:00Z
The use of DDT would be banned in the United States in 1972, but the antimosquito campaign had died long before that. An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793 2003-06-23T00:00:00Z
The bird had been eliminated by DDT and pesticides in much of the United States in the forties, fifties, and sixties. Frightful's Mountain 2001-05-21T00:00:00Z
Through such a process of transfer, what started out as a very small amount of DDT may end as a heavy concentration. Silent Spring 1962-09-27T00:00:00Z
In the Shenandoah Valley of Virginia, a famous apple-growing region, hordes of a small insect called the red-banded leaf roller arose to plague the growers as soon as DDT began to replace arsenate of lead. Silent Spring 1962-09-27T00:00:00Z
From this the investigators concluded, reasonably enough, that “few if any foods can be relied upon to be entirely free of DDT.” Silent Spring 1962-09-27T00:00:00Z
On the other hand, Dr. Wayland Hayes of the United States Public Health Service contends that in every individual a point of equilibrium is reached, and that DDT in excess of this amount is excreted. Silent Spring 1962-09-27T00:00:00Z
It is confined almost entirely to the effects of DDT. Silent Spring 1962-09-27T00:00:00Z
And in an army camp in southern Taiwan samples of resistant bedbugs were found actually carrying a deposit of DDT powder on their bodies. Silent Spring 1962-09-27T00:00:00Z
Early trials of DDT having given apparently good results, spraying was intensified. Silent Spring 1962-09-27T00:00:00Z
Of the chlorinated hydrocarbons, DDT is a proven uncoupler and further study will probably reveal others among this group. Silent Spring 1962-09-27T00:00:00Z
To find a diet free from DDT and related chemicals, it seems one must go to a remote and primitive land, still lacking the amenities of civilization. Silent Spring 1962-09-27T00:00:00Z
Aldrin, which is 100 times as toxic as DDT to pheasants, is now widely used as a seed coating. Silent Spring 1962-09-27T00:00:00Z
It’s wrong to spray them with DDT and other insecticides, he says. Cat's Eye 1988-09-01T00:00:00Z
This exposes it to the full lethal effect of the DDT stored in the tissues. Silent Spring 1962-09-27T00:00:00Z
To understand its effect on birds one need only remember that in laboratory experiments on quail dieldrin has proved to be about 50 times as poisonous as DDT. Silent Spring 1962-09-27T00:00:00Z
Diligence in spraying had a similarly unsatisfactory reward in the eastern Sudan, where cotton growers had a bitter experience with DDT. Silent Spring 1962-09-27T00:00:00Z
The spray — one- half pound of DDT to the acre in a solution of oil — filtered down through the balsam forests and some of it finally reached the ground and the flowing streams. Silent Spring 1962-09-27T00:00:00Z
Then DDT promised to “obliterate the nightmare” of codling moth outbreaks. Silent Spring 1962-09-27T00:00:00Z
In other words, supermosquitoes were being created that were capable of resisting DDT. An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793 2003-06-23T00:00:00Z
A landmark investigation into the harmful effects of DDT and other pesticides on the environment. The Global Climate Strike and Environmentalism in The New Yorker 2019-09-20T04:00:00Z
But decades later some suggest that the overreaction to this seminal book also did some harm—for example, by eliminating the vital role that DDT played in killing malaria-carrying mosquitoes. From global warming to fluoride: Why do people deny science? 2013-05-25T20:30:00Z
When that proved deadly to humans as well as insects, it was followed right after World War II by DDT, which reigned until Rachel Carson disgraced it with her book “Silent Spring” in 1962. The food industry isn’t going to ditch pesticides any time soon, but you can in your own garden 2017-03-21T04:00:00Z
She documented how pesticides, particularly DDT, killed insects and then worked their way into the natural world; a "silent spring" is what she imagined would come of a future without birds -- and worse. Google Doodle honors Rachel Carson, author and environmentalist 2014-05-27T04:00:00Z
In “Silent Spring,” Rachel Carson offers a groundbreaking examination of the environmental impact of DDT and other pesticides. Sunday Reading: The Power of The New Yorker’s Investigative Reporting 2019-08-25T04:00:00Z
And I was in the DDT fog hours at a time. 97-year-old actor: ‘I enjoy working with other people, particularly young — well, in my case, they’re all younger than I am’ 2021-10-18T04:00:00Z
In one remarkable shot, essentially the film's sole sight gag, Malick shows us kids chasing, happily, a DDT truck spraying poisonous gas all over town. Cannes: Malick's cosmic film debuts — at last — to boos, cheers 2011-05-16T14:17:20Z
Then in 1962, Rachel Carson’s blockbuster Silent Spring was published, alerting the world to the environmental devastation wreaked by DDT. Malaria-free Sri Lanka may mark beginning of end for deadly disease 2016-09-09T04:00:00Z
"Then we sit on our couch that can contain a pound of chemicals that's from the same family as banned pesticides like DDT." Fear fans flames for chemical makers 2012-05-06T05:00:00Z
Long before the days of DDT, the first synthetic pesticides were arsenicals. Arsenic: It’s what’s for dinner 2012-10-08T13:52:00Z
He showed off his signature move, the “DDT lawn mower,” with local pro-wrestlers at the Show Love event in Maryland. 5-year-old superhero inspires communities to help those in need 2019-02-12T05:00:00Z
Rachel Carson and other environmentalists meant well by pushing to ban DDT. The TV Watch: Guests Overstaying Their Welcome 2010-09-24T22:51:00Z
Some of them involve chemicals such as DDT and brominated flame retardants. Callum Roberts: if seas are to survive, we need a New Deal for the Oceans 2012-06-02T23:05:35Z
DDT, famines abroad, and the like have been page-one material forever, of course, as has fine dining of the Michelin-star variety. “Dinner: A Love Story” 2012-07-26T16:25:00Z
The subtitle is “A Fable from the Age of Science” and it deals with a lot of things he’s fascinated by – communism, game theory, DDT, nuclear power – weaving them together in a very original way. 50 documentaries you need to see 2016-03-27T04:00:00Z
Yuri Shevchuk, lead singer for the rock band DDT, accused local officials in April of cancelling concerts in several Siberian cities because of his outspoken criticism of the Kremlin. Pussy Riot not a big hit with Russian pop stars 2012-08-16T16:57:38Z
About 1,000 people attended the show headlined by Russian rock protest bands DDT and Televizor, whose songs have long riled Soviet authorities and Putin's Kremlin. Pussy Riot fest held in Russia despite pressure 2012-09-10T11:01:04Z
In the 1950s and 1960s farmers, municipalities and even homeowners were widely spraying the insecticide DDT to kill pests. Protecting Plants and Animals at Risk Must Start before They Need the Endangered Species Act 2023-10-18T04:00:00Z
The population was nearly wiped out by hunting during the California Gold Rush in the mid-1800s, as well as by poisoning from toxic pesticide DDT and lead ammunition. New vaccine expected to give endangered California condors protection against deadly bird flu 2023-10-16T04:00:00Z
Differences between DNA from 1930s specimens and their present-day kin revealed the emergence of a gene called Cyp6g1 that's known now to make the flies more resistant to the pesticide DDT. 200-year-old DNA helps map tiny fly's genetic course to new lands, modern times 2023-10-12T04:00:00Z
Some reputable scientists warned about synthetic chemicals — insecticides like DDT — that had become environmentally ubiquitous, which the founder of modern environmentalism, Rachel Carson, argued could render Earth “unfit for all life.” We're all gonna die! How the idea of human extinction has reshaped our world 2023-10-08T04:00:00Z
After World War Two, bedbugs - like many other beasties - were massively reduced in number by the widespread used of DDT. Bedbug panic sweeps Paris as infestations soar before 2024 Olympics 2023-10-03T04:00:00Z
Cellphones have been labeled as possible carcinogens by the World Health Organization’s cancer research arm, putting them in the same category as coffee, diesel fumes and the pesticide DDT. Apple will update iPhone 12 in France after regulators said it emitted too much radiation 2023-09-15T04:00:00Z
But they are now seen as a conservation success story after rebounding once the use of DDT, an insecticide, was banned in 1972 in the U.S. Brown pelicans take to the sky at Ocean City 2023-08-30T04:00:00Z
"And that made perfect sense, in terms of when DDT was introduced." 200-year-old DNA helps map tiny fly's genetic course to new lands, modern times 2023-10-12T04:00:00Z
Some had been pushed to the brink by habitat destruction or pollutants such as the pesticide DDT. After helping prevent extinctions for 50 years, the Endangered Species Act itself may be in peril 2023-08-04T04:00:00Z
But over the years, DDT and many other chemicals have been banned because of their effect on humans. Bedbug panic sweeps Paris as infestations soar before 2024 Olympics 2023-10-03T04:00:00Z
DDT was used heavily in the decades following World War II to control mosquitoes as well as insects that can damage fruit or other crops, but it also killed birds. WA pot farms return to work after pesticide concerns halted operations 2023-07-16T04:00:00Z
Bald eagles were once at risk of extinction as a result of DDT exposure. Nature gone mad? Eagles kidnap baby hawk twins; kill one, raise other as their own 2023-06-23T04:00:00Z
In 1972, the use of DDT in U.S. agriculture was banned. World History: from 1400 2022-12-14T00:00:00Z
“Did the makers of DDT voluntarily stop making it? No,” said Greenwald, arguing few landowners or businesses will sacrifice profits to help the environment. After helping prevent extinctions for 50 years, the Endangered Species Act itself may be in peril 2023-08-04T04:00:00Z
Those that survived the DDT blitz are the ancestors of today's breed, who are as a result far more resistant. Bedbug panic sweeps Paris as infestations soar before 2024 Olympics 2023-10-03T04:00:00Z
Rachel Carson’s 1962 book “Silent Spring” documented its effects on nature, which sparked the environmental movement and helped bring about a national ban on the use of DDT in agriculture in 1972. WA pot farms return to work after pesticide concerns halted operations 2023-07-16T04:00:00Z
The population was nearly wiped out by hunting during the California Gold Rush, as well as poisoning from toxic pesticide DDT and lead ammunition. California condors confront bird flu in flight from extinction 2023-05-12T04:00:00Z
Scientists believe that the species has been threatened by habitat degradation, lead poisoning from lead ammunition, and the synthetic insecticide DDT, which was banned in the United States in 1972. At Least 3 California Condors Die From Bird Flu in Arizona 2023-04-09T04:00:00Z
The results of tests at seven licensees showed high levels of DDE, a chemical that remains when DDT breaks down, the board said. Washington state shuts down marijuana farms, facilities after decades-old chemicals found 2023-04-08T04:00:00Z
Peregrine falcon populations sharply declined from the 1950s through the ’70s with the liberal use of the pesticide DDT, according to ornithologists who study the species. Four eggs and a bell tower: Peregrine falcon chicks set to hatch at UC Berkeley in livestream 2023-04-07T04:00:00Z
“You would have to be able to figure out how much cannabis people would consume and how much of that DDT would be deposited in the body. There just isn’t experimental data available.” WA pot farms return to work after pesticide concerns halted operations 2023-07-16T04:00:00Z
One of DDT’s breakout stars is MAO, a technically dazzling performer who mixes a punk rock energy and bold sense of humor with nimble grappling. 'We do it all: comedy wrestling, lucha libre.' How Japanese indie talent is commanding WrestleMania weekend 2023-03-31T04:00:00Z
“And what we’re seeing now is that there is DDT that has ended up all over the place, not just within this tight little circle on a map that we referred to as Dumpsite Two.” Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z
“Orchards used DDT for a generation, and that caused widespread contamination throughout the Pacific Northwest and the whole country, really,” Taylor said. Washington state shuts down marijuana farms, facilities after decades-old chemicals found 2023-04-08T04:00:00Z
The species has managed to bounce back after several decades of conservation efforts and a federal ban on DDT. Four eggs and a bell tower: Peregrine falcon chicks set to hatch at UC Berkeley in livestream 2023-04-07T04:00:00Z
It’s unclear how many states require cannabis to be tested for legacy pesticides such as DDT. WA pot farms return to work after pesticide concerns halted operations 2023-07-16T04:00:00Z
This weekend presents a rare opportunity for American fans to receive the full DDT experience, with a full-blown takeover of the Ukrainian Cultural Center. 'We do it all: comedy wrestling, lucha libre.' How Japanese indie talent is commanding WrestleMania weekend 2023-03-31T04:00:00Z
These revelations confirm some of the science community’s deepest concerns — and further complicate efforts to understand DDT’s toxic and insidious legacy in California. Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z
One well-known example of a pollutant with dramatic population effects is the insecticide DDT, which was widely used across North America in the 1950s and 1960s. ‘Plasticosis’ in Seabirds Could Herald New Era of Animal Disease 2023-03-22T04:00:00Z
Forty years ago, they were in danger of extinction because of a loss of habitat and the insecticide DDT. Three eaglets hatch in nest along Dulles Greenway in Leesburg 2023-03-20T04:00:00Z
Washington state’s recent experience with DDE, a remnant chemical remaining in the soil as DDT breaks down, suggests such regulations only go so far in protecting public health. WA pot farms return to work after pesticide concerns halted operations 2023-07-16T04:00:00Z
From MAO’s vantage point, DDT has found a growing worldwide audience not just because of its unique style, but also because of how devoted the talent is. 'We do it all: comedy wrestling, lucha libre.' How Japanese indie talent is commanding WrestleMania weekend 2023-03-31T04:00:00Z
DDT was banned 50 years ago, but its toxic legacy continues to affect the California marine ecosystem and threaten various animal species. Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z
DDT built up in the environment, including in fish that eagles, osprey and other birds consumed. ‘Plasticosis’ in Seabirds Could Herald New Era of Animal Disease 2023-03-22T04:00:00Z
The national organization, founded in 1905, went on to play a key role managing wildlife refuges, sounding the alarm on the pesticide DDT and campaigning for the creation of the Environmental Protection Agency. National Audubon Society, pressured to drop enslaver’s name, keeps it 2023-03-15T04:00:00Z
The comeback of the bald eagles is stunning, considering they were nearly wiped out by the widespread use of the synthetic insecticide DDT. Two Men Hunted and Killed a Bald Eagle in Nebraska, Sheriff Says 2023-03-01T05:00:00Z
The compelling evidence she presented, coupled with the bleak image of a continued future of DDT use, caught the public’s eye. Fund the protection of wildlife and habitat for all Washingtonians 2023-02-22T05:00:00Z
Analysis of the sediment so far shows that the most concentrated layer of DDT is only about 6 centimeters deep — raising questions about just how easily these still-potent chemicals could be remobilized. Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z
DDT exposure led to dramatic population declines among bald eagles, ospreys and other raptors across the U.S. ‘Plasticosis’ in Seabirds Could Herald New Era of Animal Disease 2023-03-22T04:00:00Z
“There were holes in the ground for lavatories and so many flies. We used DDT as hair spray. I am amazed we did not all die shortly afterward.” Sylvia Syms, star of British film and stage, dies at 89 2023-01-28T05:00:00Z
A ban on DDT in 1972, along with conservation efforts, helped the population to rebound. Two Men Hunted and Killed a Bald Eagle in Nebraska, Sheriff Says 2023-03-01T05:00:00Z
CLAIM: Polio stopped spreading when the pesticide DDT stopped being used, not when vaccines for the virus were introduced. NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
All of them noted that there were uncomfortably high concentrations of DDT and DDT-related compounds in the samples they studied. Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z
They gradually began to recover after the Environmental Protection Agency banned most uses of DDT in 1972. ‘Plasticosis’ in Seabirds Could Herald New Era of Animal Disease 2023-03-22T04:00:00Z
We also nearly did them in with DDT, which kept them from absorbing the calcium in their food, often resulting in eggshells that were too thin to support their young. Check your pace and embrace ‘slow birding,’ a contemplative look at our feathered friends 2022-12-29T05:00:00Z
Bald eagles found their way back as bans on DDT and other pesticides helped expand their range nationwide. Extinctions, shrinking habitat spur ‘rewilding’ in cities 2022-12-06T05:00:00Z
Meanwhile, DDT is an agricultural insecticide that was commonly used in the mid 1900s. NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
Even the “control” samples they tried to collect — as a way to compare what a normal sediment or fish sample farther away from the dumping area might look like — ended up riddled with DDT. Scientists uncover startling concentrations of pure DDT along seafloor off L.A. coast 2023-03-23T04:00:00Z
The U.S. government reversed itself and virtually abolished the use of DDT and other cancer-causing pesticides. Review | What environmental progress looked like in America, not so long ago 2022-11-22T05:00:00Z
The bill lists some chemicals already banned widely, like DDT, but also includes insecticides Deltamethrin and Clothianidin used to treat crops and found in some Raid products. Mexican lawmakers push wider pesticides ban; farm groups alarmed 2022-11-09T05:00:00Z
Bans on DDT and other highly persistent pesticides opened the door to recovery. ‘Silent Spring’ 60 years on: 4 essential reads on pesticides and the environment 2022-10-30T04:00:00Z
While historical accounts show that DDT was in some cases sprayed in towns in a misguided attempt to prevent the spread of the polio virus, this campaign was not effective. NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
Light's timing, wavelength, direction and intensity, as well as the eyes of the beholder, all matter, and unlike mercury in tuna or DDT in bald eagles, photons don't leave behind a lasting measurable chemical trace. The Sky Needs Its ‘Silent Spring’ Moment 2022-10-01T04:00:00Z
DDT, a chemical spray used to kill crop-eating pests, was ubiquitous. Review | What environmental progress looked like in America, not so long ago 2022-11-22T05:00:00Z
Mosquito populations are on the rise in other countries, too, fueled not just by climate change, but by increased urbanization and the decay of residual DDT in the environment. Why the capital of India Is flush with mosquitoes 2022-09-25T04:00:00Z
Although the charges of spreading "false information" about the invasion were eventually dropped, DDT suspended its future concert plans. Manizha: Russian Eurovision star faces hate campaign over opposition to Ukraine war 2022-08-25T04:00:00Z
DDT is a pesticide, so not clear how a pesticide could cause a viral infection. There is no mechanism that I know of that would have a pesticide cause an outbreak of polio.” NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
DDT was a commonly used pesticide before its dangers became known. Biology for AP Courses 2022-06-09T00:00:00Z
DDT is a pesticide that has been banned from use in the United States and most other areas of the world. Introductory Statistics 2013-09-19T00:00:00Z
Merlins themselves were going downhill decades ago but are recovering, thanks to bans on pesticides such as DDT. Troubled species rebound — only to make things worse for others animals in peril 2022-08-12T04:00:00Z
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
Alonge said the “misinformation” might be linked to some research that showed DDT may be associated with neurological effects, including leg paralysis, among those chronically exposed to high levels of the toxin. NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
Thus, the birds accumulated sufficient amounts of DDT to cause fragility in their eggshells. Biology for AP Courses 2022-06-09T00:00:00Z
Famously, egg shells of eagles and other raptors were believed to be thinner and prone to breakage in the nest because of ingestion of DDT in the food chain of the birds. Introductory Statistics 2013-09-19T00:00:00Z
In Southern California, least terns and snowy plovers are no match for attacking peregrine falcons, which like eagles bounced back after the ban on DDT. Troubled species rebound — only to make things worse for others animals in peril 2022-08-12T04:00:00Z
Barrels of DDT waste — along with other chemicals — were likely poured directly into the ocean near Catalina Island, according to federal regulators. Medical sterilizing facilities face growing scrutiny due to toxic gas concerns 2022-08-09T04:00:00Z
Alonge pointed out that those affected by paralysis from chronic DDT exposure don’t match up with the population most affected by polio, either. NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
DDT is a pesticide that was widely in use in the United States from the 1940s until 1972. Biology for AP Courses 2022-06-09T00:00:00Z
These revelations build on much-needed research into DDT’s toxic — and insidious — legacy in California. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
Merlin numbers in the region have jumped since the DDT ban in 1972. Troubled species rebound — only to make things worse for others animals in peril 2022-08-12T04:00:00Z
Like bald eagles, their populations had been decimated by widespread DDT pesticide use, which thinned eggshells and prevented healthy chicks from hatching. Climate change and vanishing islands threaten brown pelicans 2022-07-26T04:00:00Z
Complications from DDT mainly affect farm workers, he said, not children in the general population. NOT REAL NEWS: A look at what didn’t happen this week 2023-01-27T05:00:00Z
Female mosquitoes chose to mate with male mosquitoes that had the allele conferring DDT resistance because it would make their offspring more fit. Biology for AP Courses 2022-06-09T00:00:00Z
Gold noted that there are also more shallow areas off the Palos Verdes coast and at the mouth of the Dominguez Channel that have been known DDT hot spots for decades. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
DDT was a widely-used pesticide that caused disastrous effects in organisms after entering the water supply, including reduction in fish-eating bird populations. Miller & Levine Biology 2018-01-01T00:00:00Z
They were received with DDT baths and humiliating inspections. A former bracero farmworker breaks his silence, recalling abuse and exploitation 2022-07-18T04:00:00Z
However, after many years the mosquitoes developed a natural resistance to DDT and again spread the disease widely. Environmental Biology 2018-09-06T00:00:00Z
The wide use of DDT meant that fruit flies with DDT resistance were more evolutionarily fit than their counterparts without DDT resistance. Biology for AP Courses 2022-06-09T00:00:00Z
Women face greater risk of obesity, earlier menstruation and possibly breast cancer if their grandmothers were exposed to DDT during pregnancy, researchers say. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
How the waters off Catalina became a DDT dumping ground, from The Los Angeles Times. What Are the Dirtiest Beaches in California? 2022-06-23T04:00:00Z
When a conflict arises between science and your company's products, she advises deflection: “DDT might kill birds, but malaria, which DDT helps prevent, kills people.” A Playbook for Science Denial, ‘Scientific Phallocracy’ in the Animal Kingdom, and More 2022-06-20T04:00:00Z
When these birds have sufficient levels of DDT, the shells of their eggs are so thin that they break, making reproduction impossible. Environmental Biology 2018-09-06T00:00:00Z
Environmental Protection Agency banned the use of the pesticide DDT, which was killing eagles and ospreys in massive numbers. On the Clean Water Act’s 50th birthday, what should we celebrate? 2022-06-19T04:00:00Z
Given the intense interest in the DDT dumpsite, some hope the groundbreaking research now underway could help regulators address the larger toxic legacy of deep-ocean dumping. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
But their population suffered throughout the United States starting in the 1950s, when pesticides like DDT — which was banned in 1972 — were widely used to save crops from insects. Peregrine falcon chicks take flight at Harpers Ferry 2022-06-09T04:00:00Z
The impact of the pesticide DDT, which caused eggshell thinning, led to the listing of California brown pelicans as endangered under the federal Endangered Species Act in 1970. California investigating sick and dying brown pelicans 2022-05-27T04:00:00Z
After DDT was banned in the United States in 1972, affected bird populations made noticeable recoveries, including the iconic bald eagle. Environmental Biology 2018-09-06T00:00:00Z
The now-banned pesticide DDT weakened the birds’ eggshells, making them so brittle that nesting mothers would crush them. Growing number of sick and dying California brown pelicans worries animal experts 2022-05-19T04:00:00Z
Allan Chartrand, an ecotoxicologist who first estimated the extent of the DDT dumping in the 1980s, said it has been heartening to see so many puzzle pieces from the past finally coming together. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
And while DDT indiscriminately wiped out wildlife rather than just troublesome insects, the defense claimed these populations bounced back. The toxic legacy of DDT 2022-05-19T04:00:00Z
After DDT was banned, the species recovered and was removed from the U.S. endangered list in 2009. California investigating sick and dying brown pelicans 2022-05-27T04:00:00Z
DDT was a commonly used pesticide before its dangers to apex consumers, such as the bald eagle, became known. Environmental Biology 2018-09-06T00:00:00Z
Conservation efforts, and the ban of DDT, helped the bird’s population rebound, and by 1985 researchers counted nearly 6,500 newborn pelicans at Anacapa Island. Growing number of sick and dying California brown pelicans worries animal experts 2022-05-19T04:00:00Z
If highly acidic DDT waste wasn’t considered too bad to dump straight into the ocean, he wondered, what could’ve been worse that had to be put into an actual barrel? History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
Those opposed to the use of the DDT, they argued, were simply opponents of scientific progress. The toxic legacy of DDT 2022-05-19T04:00:00Z
For example, by studying the eggs of peregrine falcons and other birds, scientists were able to prove that a pesticide called DDT was causing egg thinning, leading to nesting failures. Some birds are laying eggs earlier. Scientists are paying attention. 2022-05-17T04:00:00Z
DDT and other toxins are taken in by producers and passed on to successive levels of consumers at increasingly higher rates. Environmental Biology 2018-09-06T00:00:00Z
One mysterious chemical that is likely connected to the DDT dumping in California was 56 times more abundant in coastal condors and 148 times more abundant in California dolphins. Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
Environmental Protection Agency determined that acid waste from the nation’s largest manufacturer of DDT — a pesticide so powerful it poisoned birds and fish — had not been contained in hundreds of thousands of sealed barrels. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
Even before it became a commonly used insecticide, FDA scientists knew that cows treated with DDT would produce milk and meat laced with the chemical. The toxic legacy of DDT 2022-05-19T04:00:00Z
This research was a key reason the Environmental Protection Agency banned DDT in 1972. Some birds are laying eggs earlier. Scientists are paying attention. 2022-05-17T04:00:00Z
As bald eagles feed on contaminated fish, their DDT levels rise. Environmental Biology 2018-09-06T00:00:00Z
“This DDT story, and contaminants interfering with reproduction, is what we call a sublethal exposure,” said Tubbs, a reproductive sciences expert at the San Diego Zoo Wildlife Alliance. Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
As for the mystery of the DDT barrels, regulators combed old aerial photos of the Montrose Chemical Corp. plant near Torrance and the berth from which the waste haulers set sail. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
Meanwhile, chemical corporations banded together to create a public relations campaign affirming the necessity and safety of pesticides like DDT. The toxic legacy of DDT 2022-05-19T04:00:00Z
“Bald eagles, ospreys and peregrine falcons have all made spectacular recoveries since DDT was banned,” Bates says. Some birds are laying eggs earlier. Scientists are paying attention. 2022-05-17T04:00:00Z
It was discovered that DDT caused the eggshells of birds to become fragile, which contributed to the bald eagle being listed as an endangered species under U.S. law. Environmental Biology 2018-09-06T00:00:00Z
This latest study builds on much-needed research into DDT’s toxic — and insidious — legacy in California. Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
Finally, they called up a retired EPA investigator who had been in charge of looking into the deep-sea DDT dumping. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
"The U.S. was also applying pesticides abroad, too," Conis writes, "its DDT the cornerstone of the World Health Organization's malaria-eradication campaign. Pesticides had never been produced or used on such a scale." The toxic legacy of DDT 2022-05-19T04:00:00Z
When pesticides like DDT became regulated, and conservation protections were enacted, several endangered species pulled up from their spiral toward extinction — in part by moving to the city. Seattle is home to many raptors. These volunteers protect them from the dangers of city living 2022-05-11T04:00:00Z
The use of DDT was banned in the United States in the 1970s. Environmental Biology 2018-09-06T00:00:00Z
Another study based in Oakland found that DDT’s hormone-disrupting effects are affecting a new generation of women — passed down from mothers to daughters, and now granddaughters. Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
Regardless of how the waste got dumped into the ocean, sediment samples so far show that a lot of DDT is clearly down there. History of DDT ocean dumping off L.A. coast even worse than expected, EPA finds 2022-08-04T04:00:00Z
She also writes about the scary tendency for DDT to impact women and their children, as exposure to the pesticide can occur through breastfeeding as well as in-utero. The toxic legacy of DDT 2022-05-19T04:00:00Z
The species was almost wiped out in Washington after widespread use of the pesticide DDT, which was banned in 1972. Seattle is home to many raptors. These volunteers protect them from the dangers of city living 2022-05-11T04:00:00Z
The pesticide DDT was widely used for decades. Environmental Biology 2018-09-06T00:00:00Z
If the California condor is accumulating such high amounts of DDT, that means that every link of the coastal food chain — including people — is also exposed. Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
His team sees not only the bomb spike and surge of spherical ash, but also a rise in DDT, a once-ubiquitous pesticide. Bogs, lakebeds, and sea floors compete to become Anthropocene’s ‘golden spike’ 2022-05-05T04:00:00Z
Tobacco's relationship with DDT stretched back to the 1940s when the chemical was sprayed on fields and in warehouses where tobacco was stored. The toxic legacy of DDT 2022-05-19T04:00:00Z
But decades of conservation efforts, along with a 1972 ban of DDT, allowed the species to recover and eventually be removed from Endangered Species Act protection in 2007. Dozens of Bald Eagles Have Died From Bird Flu 2022-04-21T04:00:00Z
Populations of bird species at the top of the food chain, e.g., eagles and pelicans, are greatly affected by DDT in the environment. Environmental Biology 2018-09-06T00:00:00Z
“We can’t just move on … our ocean is so much more polluted with DDT.” Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
All but a few hundred bald eagles were presumed dead by the mid-20th century, killed off largely by the widespread use of the synthetic insecticide DDT. Wind Energy Company to Pay $8 Million in Killings of 150 Eagles 2022-04-10T04:00:00Z
Decades later, in the 1990s, the industry's stance on the pesticide reversed, spurring the resurgence of DDT. The toxic legacy of DDT 2022-05-19T04:00:00Z
Gymnogyps californianus has been in jeopardy since the 1950s, when development began to encroach on the species’ habitat and the now-banned pesticide DDT made condor eggshells so thin that they could not support life. Launch of condors on tribal land marks the species' comeback, but a new threat looms large 2022-04-11T04:00:00Z
Fifty years ago, it looked as though peregrines might go extinct from egg failures linked to the pesticide DDT; now, a rare conservation success story, they’re practically jostling for camera time. The avian soap opera unfolding atop this Berkeley bell tower has humans riveted 2022-04-05T04:00:00Z
Researchers started studying how remnant DDT in the environment could be at play. Scientists find new and mysterious DDT chemicals accumulating in California condors 2022-05-17T04:00:00Z
A ban on DDT in 1972 and conservation efforts helped the population to rebound. Wind Energy Company to Pay $8 Million in Killings of 150 Eagles 2022-04-10T04:00:00Z
The latter portion of Conis's narrative tracks how free-market defenders funded by anti-regulatory chemical and tobacco companies used the demonization of DDT to divide environmental scientists and public health experts over the use of pesticides. The toxic legacy of DDT 2022-05-19T04:00:00Z
Tribal biologists have already sampled seals and sea lions for organochlorine pesticides such as DDT and found them at lower levels than elsewhere in California. Launch of condors on tribal land marks the species' comeback, but a new threat looms large 2022-04-11T04:00:00Z
The American birds were declared endangered in 1970 because of ingesting prey that was poisoned by DDT and other pesticides. Berkeley peregrine falcon finds partner after mate’s death 2022-04-02T04:00:00Z
Environmental Protection Agency to ban use of the pesticide DDT. 60 Years after Silent Spring Warned Us, Birds—and Humanity—Are Still in Trouble 2022-04-02T04:00:00Z
Bald eagles decades ago had been killed off largely by the widespread use of the synthetic insecticide DDT. After Mounting a Comeback, Eagles Face a New Threat 2022-02-19T05:00:00Z
The Environmental Protection Agency banned DDT for most uses in 1972. The toxic legacy of DDT 2022-05-19T04:00:00Z
After DDT was banned in 1972, and the Endangered Species Act of 1973 protected bald eagle habitat, population numbers started to tick up. Nearly half of bald eagles have lead poisoning 2022-02-16T05:00:00Z
But their U.S. population suffered starting in the 1950s, when pesticides like DDT — which was banned in 1972 — became widely used to protect crops from insects. Falcons return to nest at Harpers Ferry, which will close off section to give them space 2022-02-11T05:00:00Z
Bald eagles were on the verge of extinction at the time Carson wrote, but they recovered in large part as a result of the ban on DDT. 60 Years after Silent Spring Warned Us, Birds—and Humanity—Are Still in Trouble 2022-04-02T04:00:00Z
A ban on DDT in 1972 and conservation efforts helped the population to rebound, with the bald eagle being removed from Endangered Species Act protection in 2007. After Mounting a Comeback, Eagles Face a New Threat 2022-02-19T05:00:00Z
Still, the overarching message is easily understood: "Seventy-five years after scientists first warned of its hazards, 60 years after Rachel Carson wrote 'Silent Spring,' and 50 years after it was banned, DDT is still here." The toxic legacy of DDT 2022-05-19T04:00:00Z
The piece, purposefully placed near a toxic waste DDT dumpsite, is a not-so-subtle commentary on rising sea levels, polluted waterways and raging wildfires. Why is an AR mushroom cloud exploding over the Santa Monica Pier? Anything goes during Frieze Week 2022-02-11T05:00:00Z
Raptor populations plummeted in the first half of the 20th century because of widespread hunting and use of the insecticide DDT. If Rover Can Make It Here, Perhaps Bald Eagles Can Make It Anywhere 2022-02-04T05:00:00Z
The legal battle led to the banning of DDT in the United States and the formation of EDF. Art Cooley, co-founder of Environmental Defense Fund, dies 2022-02-03T05:00:00Z
Earlier research has also documented widespread contamination by pesticides such as DDT and related chemicals in samples of blood and breast milk of people living in the area. Mexico’s wheat fields help feed the world. They’re also releasing a dangerous greenhouse gas.
Fish and Wildlife Service, developed an interest in DDT, a powerful pesticide used to eliminate insects that destroy crops and carry disease. The toxic legacy of DDT 2022-05-19T04:00:00Z
Brinker credited the growth in the state’s eagle population to conservation efforts, such as the elimination of harmful chemicals like DDT. Bald eagles return to Conowingo Dam as wintry weather settles in 2021-11-16T05:00:00Z
Bans on DDT, as well as laws forbidding harming or disturbing bald eagles, have led to the species’ recovery. If Rover Can Make It Here, Perhaps Bald Eagles Can Make It Anywhere 2022-02-04T05:00:00Z
But DDT was banned nationwide 10 years before I was born. L.A. mystery: the mourning doves stopped singing. What happened to them? 2021-10-28T04:00:00Z
Starting in 1947 and 35 years thereafter, the nation’s biggest manufacturer of the pesticide DDT, Montrose Chemical Company, was right here. You thought the oil spill was bad? In L.A., toxic waste is everywhere 2021-10-12T04:00:00Z
Her work, both celebrated and scorned, gave rise to a budding environmental movement and forever altered public perception of DDT. The toxic legacy of DDT 2022-05-19T04:00:00Z
Habitat destruction and the use of the pesticide DDT beginning in the 1940s reduced the numbers of bald eagles across North America. Vermont bald eagle restoration follows years of trying 2021-10-07T04:00:00Z
The links between rampant overuse of the pesticide DDT and damaged ecosystems — including the dwindling population of bald eagles — were the subject of Rachel Carson’s seminal 1962 book, “ Silent Spring.” California spill came 52 years after historic oil disaster 2021-10-04T04:00:00Z
Other researchers have used plants to clean up PCBs, DDT, nickel and arsenic.* Plant Absorbs Toxic RDX Contamination 2021-08-31T04:00:00Z
In 1972, 10 years after author Rachel Carson wrote powerfully about the murderous effects of DDT on the natural world, the United States banned most of its uses. You thought the oil spill was bad? In L.A., toxic waste is everywhere 2021-10-12T04:00:00Z
In "How to Sell a Poison: The Rise, Fall, and Toxic Return of DDT," medical historian Elena Conis provides an updated account of the infamous pesticide. The toxic legacy of DDT 2022-05-19T04:00:00Z
The insecticide DDT thinned egg shells and decimated bald eagle populations in North America, leading to its ban in the U.S. in 1972. Birds of prey face global decline from habitat loss, poisons 2021-08-30T04:00:00Z
The housing projects were explicitly segregated; Black workers were placed closer to the shipyards, which became polluted with the pesticides DDT and dieldrin that were packaged and shipped from the area. Planting trees to offset the legacy of racist housing policies 2021-08-29T04:00:00Z
Their population suffered throughout the U.S. starting in the 1950s, when pesticides like DDT — which was banned in 1972 — was widely used to save crops from insects. The peregrine falcon mostly disappeared. A lone chick took flight at Harpers Ferry for the first time in 70 years. 2021-07-02T04:00:00Z
Manufacturers promoted it as a “benefactor of all humanity” in advertisements that declared, “DDT Is Good for Me!” Consequences of DDT Exposure Could Last Generations 2021-06-30T04:00:00Z
In peacetime, the production and application of DDT continued. The toxic legacy of DDT 2022-05-19T04:00:00Z
Their recovery is credited largely to the ban of the pesticide DDT in 1972. Severe wing fractures in pelicans raise fears of a human culprit 2021-06-19T04:00:00Z
As an early director of California Rural Legal Assistance, Reynoso shepherded the organization’s efforts to ensure farmworkers’ access to sanitation facilities in the fields and to ban the use of the carcinogenic pesticide DDT. Cruz Reynoso, migrant farmworker became California's first Latino state Supreme Court justice, has died 2021-05-08T04:00:00Z
“The whole country was losing the peregrine falcon through the DDT era.” The peregrine falcon mostly disappeared. A lone chick took flight at Harpers Ferry for the first time in 70 years. 2021-07-02T04:00:00Z
Her answer: DDT continues to haunt human bodies. Consequences of DDT Exposure Could Last Generations 2021-06-30T04:00:00Z
Plywood and wallpaper were coated with DDT in suburban homes. The toxic legacy of DDT 2022-05-19T04:00:00Z
But the vultures still face threats from exposure to mercury and the pesticide DDT. Endangered condor egg hatches in Northern California’s wild 2021-05-04T04:00:00Z
In 1972 the outlook for them and other raptors took a first significant turn for the better when the federal government banned DDT. Ecologists Saved Bald Eagles with Helicopter Parenting 2021-04-30T04:00:00Z
Precisely how much DDT the barrels contain is not yet clear. Over 25,000 DDT-tainted barrels are discovered on seafloor off California 2021-04-28T04:00:00Z
One possibility was exposure in the womb to a group of chemicals classified as endocrine disruptors—including DDT. Consequences of DDT Exposure Could Last Generations 2021-06-30T04:00:00Z
But DDT's status as a miracle chemical wouldn't last. The toxic legacy of DDT 2022-05-19T04:00:00Z
The study provides “a wide-area map” of the barrels, though it will be up to others to confirm through sediment sampling that the containers hold DDT, Terrill said.. Scientists: Up to 25,000 barrels at DDT dump site in Pacific 2021-04-26T04:00:00Z
Waiting for the population to recover naturally after the DDT ban—a possibility after numbers increased enough for eagles to explore unclaimed territories—could have taken a century or longer. Ecologists Saved Bald Eagles with Helicopter Parenting 2021-04-30T04:00:00Z
Carson warned that overused pesticides like DDT washed into waterways and moved along the food chain, threatening delicate ecosystems for birds, fish and, ultimately, humans. Over 25,000 DDT-tainted barrels are discovered on seafloor off California 2021-04-28T04:00:00Z
These results, published in Cancer Epidemiology, Biomarkers, and Prevention, mark the first human evidence that DDT's health threats span three generations. Consequences of DDT Exposure Could Last Generations 2021-06-30T04:00:00Z
Later, scientists would discover DDT was a neurotoxin that accumulated in body fat. The toxic legacy of DDT 2022-05-19T04:00:00Z
Scientists conducted the survey from March 10-24 following a Los Angeles Times report last year about evidence that DDT was dumped into the ocean near Catalina. Scientists: Up to 25,000 barrels at DDT dump site in Pacific 2021-04-26T04:00:00Z
But populations of bald eagles are rebounding, as are those of other raptor species affected by DDT, such as peregrine falcons and osprey. Ecologists Saved Bald Eagles with Helicopter Parenting 2021-04-30T04:00:00Z
Montrose Chemical Corp., at one time the world’s largest manufacturer of DDT, was repeatedly named in the briefing. Over 25,000 DDT-tainted barrels are discovered on seafloor off California 2021-04-28T04:00:00Z
Once hailed as a wonder pesticide, DDT saved crops and combated malaria across the world. Stunning DDT dump site off L.A. coast much bigger than scientists expected 2021-04-26T04:00:00Z
When Rachel Carson’s “Silent Spring” first sounded the alarm on DDT and its devastating effects on birds and fish, our understanding of how this pesticide affected humans was just beginning. DDT's toxic legacy can harm granddaughters of women exposed, study shows 2021-04-14T04:00:00Z
University of California Santa Barbara professor David Valentine discovered concentrated accumulations of DDT in the sediments in the same region and spotted 60 barrels on the seafloor in 2011 and 2013. Scientists: Up to 25,000 barrels at DDT dump site in Pacific 2021-04-26T04:00:00Z
“In the decades in between the1970s and now, because of the banning of DDT, raptors as a group have massively improved their status.” Ecologists Saved Bald Eagles with Helicopter Parenting 2021-04-30T04:00:00Z
In 1990, the Justice Department filed a lawsuit against the company for discharging DDT into California’s waters. Over 25,000 DDT-tainted barrels are discovered on seafloor off California 2021-04-28T04:00:00Z
US officials say the “strong return” of American bald eagles is a reminder of the importance of federal conservation efforts and protections, such as banning the pesticide DDT. American bald eagles have made 'strong return' from brink of extinction 2021-03-25T04:00:00Z
Researchers tested the blood for DDT and its related contaminants, and continued to follow up on health assessments. DDT's toxic legacy can harm granddaughters of women exposed, study shows 2021-04-14T04:00:00Z
Instead, they believed it was a case of organochlorine pesticide poisoning, a group that includes chemicals such as DDT. Something poisoned more than 650 people in India amid the pandemic. The cause is a mystery. 2021-03-22T04:00:00Z
DDT thinned some eggshells so much that they were easily squashed, and the insecticide dehydrated others: it enlarged shell pores during maturation, allowing the fluid inside to evaporate. Ecologists Saved Bald Eagles with Helicopter Parenting 2021-04-30T04:00:00Z
Tests later showed that the sediment inside contained exceptionally high concentrations of DDT, a pesticide banned in the 1970s, and other chemical waste. Over 25,000 DDT-tainted barrels are discovered on seafloor off California 2021-04-28T04:00:00Z
Just a few decades ago, they were in danger of extinction due to habitat destruction, poaching and the contamination of their food supply with chemicals like DDT, according to the U.S. New York state trooper saves wounded bald eagle found on highway 2021-03-17T04:00:00Z
“The whole market would be full of a fog of DDT,” said Blumberg, who also teaches pharmaceutical sciences. DDT's toxic legacy can harm granddaughters of women exposed, study shows 2021-04-14T04:00:00Z
Rather than conduct a more scripted test run, the team agreed to apply this exercise to a real-world need — especially when the DDT question started reverberating across government and academia. Deep-sea ‘Roombas’ will comb ocean floor for DDT waste barrels near Catalina 2021-03-10T05:00:00Z
DDT, a highly toxic pesticide developed in the 1940s, was the biggest threat. Gen Z, help sound the alarm: #BringBirdsBack 2021-02-05T05:00:00Z
In California, persistent chemicals like DDT remain in the environment, both on the seafloor and working their way back up the food chain in fish and other critters of the sea. Sea lions are dying from a mysterious cancer. The culprits? Herpes and DDT 2021-01-31T05:00:00Z
Indigenous Inuit have already coped with pollutants like DDT that move north from thousands of miles away. Microplastics from laundry are flooding into the Arctic 2021-01-12T05:00:00Z
Since a female is born with all her eggs, a granddaughter is technically also exposed to DDT if her mother was exposed in the womb. DDT's toxic legacy can harm granddaughters of women exposed, study shows 2021-04-14T04:00:00Z
Scientists found that sea lions exposed to DDT and other chemicals in the ocean are more likely to die from a herpes-induced cancer. Deep-sea ‘Roombas’ will comb ocean floor for DDT waste barrels near Catalina 2021-03-10T05:00:00Z
The species was threatened with extinction due in part to DDT, a pesticide used to control mosquitos. Pandemic grounds bald eagle count for 1st time in 50 years 2021-01-04T05:00:00Z
Bioaccumulators In 1958, after noting rising mortality in birds of prey following the widespread spraying of insecticide in New England, conservation biologist Rachel Carson identified the agricultural pesticide DDT as the highly toxic culprit. When a little bit of poison is good for you: Inside the theory of dose response 2021-01-03T05:00:00Z
So if you look at DDT as an example. The business of meatless meat 2020-12-22T05:00:00Z
It was not immediately clear how extensively the chemicals are used in India, though it is found in DDT applied for mosquito control. India investigates if organochlorines behind unknown illness 2020-12-08T05:00:00Z
Once hailed as a wonder pesticide, DDT saved crops and combatted malaria across the world. Deep-sea ‘Roombas’ will comb ocean floor for DDT waste barrels near Catalina 2021-03-10T05:00:00Z
The winning ticket was purchased at DDT Package Liquor in Pagedale, Missouri. St. Louis man wins $1M Powerball drawing 2020-11-25T05:00:00Z
At each level of the feeding chain, DDT levels became further concentrated in the organism. When a little bit of poison is good for you: Inside the theory of dose response 2021-01-03T05:00:00Z
DDT may reduce the function of the hormone insulin, which instructs the body to process the glucose in your blood after eating a meal. What to know about the chemicals used to grow the plants you eat 2020-11-13T05:00:00Z
The book concludes with a celebration of Rachel Carson’s iconic environmental polemic Silent Spring, which in 1962 revealed the widespread environmental harm caused by the pesticide DDT. Can the history of pollution shape a better future? 2020-08-30T04:00:00Z
For decades, the nation’s largest DDT maker operated its plant on the border of Los Angeles and Torrance. Deep-sea ‘Roombas’ will comb ocean floor for DDT waste barrels near Catalina 2021-03-10T05:00:00Z
He also worked on a farm where he used pesticides and in fields where DDT was sprayed. The Link Between Parkinson’s Disease and Toxic Chemicals 2020-07-20T04:00:00Z
Applying this principle of bioaccumulation to people, particularly those who eat meat and are, therefore, exposed to higher accumulated doses, led to the wide-scale ban of DDT in the US and other high-income countries. When a little bit of poison is good for you: Inside the theory of dose response 2021-01-03T05:00:00Z
Just a few decades ago, they were in danger of extinction due to habitat destruction, poaching and the contamination of their food supply with chemicals such as DDT, according to the U.S. Pennsylvania investigates bald eagle deaths, possible poisonings 2020-04-29T04:00:00Z
They were in danger of extinction due to habitat destruction, poaching and the contamination of their food supply with chemicals such as DDT, according to the U.S. Ohio's bald eagle population soaring, state officials say: 'One of Ohio's greatest wildlife success stories' 2020-04-23T04:00:00Z
As for the Superfund site, the agency pointed to its continued outreach programs “to minimize public exposure to DDT- and PCB-contaminated fish while final cleanup actions are being developed and implemented.” Deep-sea ‘Roombas’ will comb ocean floor for DDT waste barrels near Catalina 2021-03-10T05:00:00Z
They were in danger of extinction 40 years ago due to habitat destruction, poaching and the contamination of their food supply with chemicals like DDT. Bald eagles photographed nesting in saguaro cactus for first time in Arizona, officials say 2020-04-16T04:00:00Z
DDT was used liberally to kill lice and Anne Stephenson says her father always wondered whether the cancers he suffered in later life were connected with the pesticide. The medical students who saved lives at Belsen 2020-04-15T04:00:00Z
At the time, the species was teetering on the edge of extinction in the contiguous US as a result of hunting, habitat loss and the toxic effects of DDT. The wondrous life and mysterious death of Golden Eagle 1703 2020-04-01T04:00:00Z
When he penned those lines, the falcons were in mysterious decline, their near-extinction subsequently traced to DDT. Latest woes for Boeing's grounded 737 Max: Predatory falcons and pigeon corpses 2020-02-19T05:00:00Z
When Californians learned in October that the waters off Santa Catalina Island once served as a dumping ground for thousands of barrels of DDT waste, the ocean science community jumped into action. Deep-sea ‘Roombas’ will comb ocean floor for DDT waste barrels near Catalina 2021-03-10T05:00:00Z
Bald eagles, which were once critically endangered, staged a remarkable comeback in the second half of the 20th century after the pesticide DDT was banned, but remain a protected species. King County wants to use fireworks to ruffle the feathers of eagles at the county landfill 2020-02-18T05:00:00Z
The social momentum that won against DDT and the tobacco industry will eventually force an energy revolution as well. The climate crisis must reunite America — and yes, that could happen 2020-02-17T05:00:00Z
He gave me a can filled with DDT so I could spray his tomato plants, which, thinking back on it, was really kind of irresponsible of him. How I learned to stop worrying and ... ahem ... love the Oscars' best picture choice 2020-02-06T05:00:00Z
It had become the world’s rarest bird thanks to habitat loss, introduction of non-native predators, and widespread use of DDT and other pesticides on the island. Is it time to shut down the zoos? 2020-02-02T05:00:00Z
In the 20th century declining bird populations shined light on the health affects of DDT and other pesticides. South Carolina development hurts local bird populations 2020-02-01T05:00:00Z
Decades ago, use of the toxic insecticide DDT sent the species spiraling toward extinction in North America and Europe. Boeing’s assembly plant is shuttered amid 737 MAX crisis. Now the company has a falcon problem. 2020-01-27T05:00:00Z
Along with high levels of bacteria from human feces, the testing found carcinogenic chemicals — such as the banned pesticide DDT and dangerous industrial compounds like hexavalent chromium. Tijuana River's toxic sewer sludge dangerous for migrants and border agents 2019-12-22T05:00:00Z
Shortly after this time, mass spraying of the chemical DDT took off in thousands of homes. ‘Pest hellhole’: Inside Florida’s itchy war on mosquitoes 2019-12-22T05:00:00Z
With monumental orders for waterway cleanups, air-pollution limits and a national DDT ban, Ruckelshaus thwarted streams of pollution across the nation. In appreciation of William Ruckelshaus’ legacy of principled leadership 2019-12-02T05:00:00Z
They are naked, clothes in hand, waiting for a masked attendant to douse them with DDT, an insecticide whose use would be banned in the U.S. just 16 years later. Two artists — from L.A. and Tijuana — present their visions of the border at MASS MoCA 2019-11-29T05:00:00Z
He also ordered cities to curtail sewage discharges into rivers; demanded more air-pollution controls; accused paper and steel companies of water-quality violations; and banned the domestic use of DDT. William Ruckelshaus, Who Quit in ‘Saturday Night Massacre,’ Dies at 87 2019-11-27T05:00:00Z
One of Mr. Ruckelshaus’s most significant moves at the EPA was to ban the harmful pesticide DDT, University of Arizona professor J.E. William D. Ruckelshaus, who refused to join in Nixon’s ‘Saturday Night Massacre,’ dies at 87 2019-11-27T05:00:00Z
DDT, later found to cause harm to the environment, wildlife and even potentially humans, was banned. ‘Pest hellhole’: Inside Florida’s itchy war on mosquitoes 2019-12-22T05:00:00Z
In postwar Allied intelligence reports examined by Dr. Ward and his colleagues, German scientists claimed their insecticide, now called DFDT, was more effective than DDT. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
In PWG, they met another talented young wrestler who was also working in Japan at the time for a company called DDT. AEW debuts as a new hope in pro wrestling 2019-10-02T04:00:00Z
When Springdale native and ecological pioneer Rachel Carson wrote her famous book “Silent Spring” about the effect of DDT and other pesticides on the environment, it didn’t start with the impact on people. Editorials from around Pennsylvania 2019-09-25T04:00:00Z
Because DDT was virtually nondegradable, it was transferred through the food chain. William D. Ruckelshaus, who refused to join in Nixon’s ‘Saturday Night Massacre,’ dies at 87 2019-11-27T05:00:00Z
Slankard said the decline was due to widespread use of a pesticide called DDT, which was developed in the 1940s to combat malaria, typhus and the other insect-borne human diseases. ‘Hacking’ has helped eagle populations grow across Kentucky 2019-09-22T04:00:00Z
The effectiveness of DDT, an abbreviation for dichloro-diphenyl-trichloroethane, as an insecticide was first discovered in 1939 by Paul Hermann Müller, a Swiss chemist. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
When Rachel Carson’s “Silent Spring ” was published in 1962, the primary concern was that pesticides — especially DDT — were poisoning birds. Opinion | We’re losing birds at an alarming rate. We can do something about it. 2019-09-19T04:00:00Z
Also increasing are raptors such as bald eagles, which were close to extinction before the prohibition of the insecticide DDT. North America has lost 3 billion birds in 50 years 2019-09-19T04:00:00Z
Banning the pesticide DDT allowed for the resurgence of raptor populations including the bald eagle, the researchers said. Bird numbers plunge in U.S. and Canada with people to blame 2019-09-19T04:00:00Z
One of the dangers DDT caused was eggshell thinning, Slankard said, which hindered bald eagle reproduction. ‘Hacking’ has helped eagle populations grow across Kentucky 2019-09-22T04:00:00Z
DDT is what is known as a contact insecticide. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
The recovery of eagles and other raptors after the U.S. ban on the insecticide DDT in 1972 shows that when the cause of a decline is removed, "the birds come back like gangbusters." Three billion North American birds have vanished since 1970, surveys show 2019-09-19T04:00:00Z
WHO first adopted the goal of malaria eradication in 1955, after the insecticide DDT made killing mosquitoes easy and cheap. Is setting a deadline for eradicating malaria a good idea? Scientists are divided 2019-08-27T04:00:00Z
The book, which called for banning the widely used insecticide DDT, was selected as one of the 25 greatest science books of all time by Discover magazine. Trails, streams and history in ‘an oasis of calm’ near downtown Silver Spring 2019-08-14T04:00:00Z
When DDT was outlawed in the 1970s, bald eagles again were able to successfully reproduce and start regaining a sustainable population. ‘Hacking’ has helped eagle populations grow across Kentucky 2019-09-22T04:00:00Z
After DDT is absorbed through an insect’s feet, it binds to nerve cells, causing them to become stuck in the “on” position, firing continuously. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
More than 50 years ago, Rachel Carson warned of a “silent spring”, the songs of robins and wood thrush silenced by toxic pesticides such as DDT. America’s dependence on pesticides, especially neonics, is a war on nature 2019-08-07T04:00:00Z
Their numbers began to rebound after DDT was banned. Peregrine falcon chicks hatched, banded in Topeka 2019-05-30T04:00:00Z
A continuing problem is with flame retardant chemicals, which are still used and still found in waterways, and DDT from Africa is still leaching into the Mediterranean. Heavy metals and dangerous chemicals 'still poisoning Europe's seas' 2019-05-15T04:00:00Z
As pollution of crops and foodstuffs with pesticides increases, the continued use of persistent chemicals such as the chlorinated hydrocarbons, DDT and dieldrin, is being challenged. From the archive 2019-05-13T04:00:00Z
A turning point leading to the decline of DDT was the publication in 1962 of “Silent Spring” by Rachel Carson. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
Restrictions on the use of the pesticide DDT and recovery efforts helped them rebound, and the American peregrine falcon was removed from the list of endangered and threatened species in 1999. Bridge inspection halted by nest of falcons 2019-04-15T04:00:00Z
The Forest Service says the peregrine falcon population declined in the 1940s due to the use of the insecticide DDT. 2 forest cliffs closed during peregrine falcon nesting 2019-04-07T04:00:00Z
The book also mentions a post-Migratory Bird Treaty Act threat to the species: spraying of DDT to combat Dutch elm disease in the 1950s. Perspective | We once hunted and ate robins. Now the birds are a colorful harbinger of spring 2019-03-22T04:00:00Z
In the mid-20th century, runoff carrying the insecticide DDT entered so many rivers and streams that eagles were regularly eating contaminated fish, which caused them to lay eggs with shells too thin to support incubation. Opinion | The Eagles of Reelfoot Lake 2019-03-01T05:00:00Z
DDT molecules endure for decades and accumulate in animals higher up the food chain. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
But it almost single-handedly led to a nationwide ban on DDT. Opinion | Time to Panic 2019-02-16T05:00:00Z
In 1969, it sounded an alarm about the toxicity of pesticide DDT, warning readers not to buy it. Sunset magazine, a California icon, struggles as advertisers turn away from print 2018-11-30T05:00:00Z
In 1969, the Nixon administration announced a halt to residential use of the pesticide DDT as part of a total phaseout. Today in History 2018-11-20T05:00:00Z
Wildlife officials attributed the bird’s comeback to habitat and environmental protection measures, such as the ban on the pesticide DDT, a change that made it easier for birds of prey like eagles to reproduce successfully. Record growth for bald eagles in northern New England 2018-11-18T05:00:00Z
The U.S. banned DDT in 1972, and many other nations followed. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
These genes are important for metabolizing toxins, with one gene, GSTe2, capable of metabolizing the insecticide DDT. Improved mosquito genome points to population-control strategies 2018-11-13T05:00:00Z
The birds were federally protected in the United States in the 1970s due to use of the pesticide DDT. Idaho falconry: Hunting with beak, talons and feathers 2018-11-02T04:00:00Z
An investigation in July of that year concluded that the bees in Germany died of mass poisoning by the pesticide clothianidin, which can be 10,000 times more potent than DDT. Invasion of the ‘frankenbees’: the danger of building a better bee 2018-10-16T04:00:00Z
Bald eagles were near the brink of extinction because of the use of DDT, a pesticide that weakens the shells of their eggs. Editorials from around New England 2018-10-12T04:00:00Z
DDT, they found, exhibited the characteristic pinwheel gradients of a helical crystal when illuminated with polarized light. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
It’s where scientists released young pelicans in 1968 to restore the population after it was devastated by the insecticide DDT. Louisiana seeks to make more room for namesake pelicans 2018-10-08T04:00:00Z
Because DDT persists in the food chain, he said. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
DDT is also known to bind to proteins in the body called androgen receptors, which allow cells to respond to testosterone and other hormones. Autism and DDT: What One Million Pregnancies Can--and Can't--Reveal 2018-08-16T04:00:00Z
That finding deepens questions about whether or how DDT might be linked to autism. Autism and DDT: What one million pregnancies can — and can’t — reveal 2018-08-15T04:00:00Z
Jingxiang Yang, a postdoctoral researcher at N.Y.U., started growing DDT crystals and found not only the expected crystals but also more jumbled, chaotic patterns. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
Environmental Protection Agency banned DDT in 1972, a move that helped start the recovery of bald eagles. Andrew Cuomo broke federal law taking eagle feather from Saranac Lake 2018-08-12T04:00:00Z
“Bottom line: This study is not groundbreaking, but it is well done and suggests the need for replication and a careful look at DDT in the future,” Frazier said. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
Of most concern are the lingering effects of chemicals and pesticides, including the now banned DDT, as well as PCBs and PPDE, widely used in flame retardants and found through the world. Orcas of the Pacific Northwest Are Starving and Disappearing 2018-07-09T04:00:00Z
The likelihood that a child with autism accompanied by intellectual disability was twice as high in mothers with elevated DDT levels compared to those with lower levels. Autism and DDT: What one million pregnancies can — and can’t — reveal 2018-08-15T04:00:00Z
The forgotten compound killed mosquitoes in as little as one-fourth the time as DDT. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
Mustard gas, Agent Orange, DDT, and other toxic materials had leached into the soil and water. The Fall of Wisconsin and the Rise of Randy Bryce 2018-07-09T04:00:00Z
He said the vast majority of women even with elevated levels of the DDT metabolite did not have offspring with autism. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
The pesticide DDT was ultimately banned after a comparison of museum egg specimens revealed that shells had grown thinner after it was introduced. Opinion | The Ornithologist the Internet Called a Murderer 2018-06-15T04:00:00Z
She is impressed by the number and quality of the samples in the Finnish database, and finds the association between DDT and autism striking. Autism and DDT: What one million pregnancies can — and can’t — reveal 2018-08-15T04:00:00Z
DDT, initially regarded as a magical miracle chemical, was sprayed profusely after World War II until environmental concerns arose in the 1960s. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
IN 1961 Venezuela became the first country in Latin America virtually to eliminate malaria, using a combination of DDT, an insecticide, and drugs. Polio returns to Venezuela, and threatens the region 2018-06-14T04:00:00Z
Brown and his international team looked at autism’s possible link to the insecticide DDT. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
The peregrine was added to the endangered species list in 1970, but its numbers didn’t begin to rebound after DDT was banned two years later. Peregrine falcons soaring again at Lake Mead 2018-06-08T04:00:00Z
DDT is also known4 to bind to proteins in the body called androgen receptors, which allow cells to respond to testosterone and other hormones. Autism and DDT: What one million pregnancies can — and can’t — reveal 2018-08-15T04:00:00Z
In 2006, the World Health Organization endorsed the use of DDT as part of efforts to control malaria, primarily for the spraying of indoor walls. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
He responded to attacks on Twitter, telling one user upset about the WWE detail to “Go DDT himself,” a reference to a wrestling move. An Online Agitator, a Social Media Exposé and the Fallout in Brooklyn 2018-06-06T04:00:00Z
“Along with genetic and other environmental factors, our findings suggest that prenatal exposure to the DDT toxin may be a trigger for autism.” DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
Brown pelicans, which migrate north in the spring from nesting colonies off Southern California and Mexico, spent several decades on the federal endangered species list because of exposure to pesticides like DDT and other contaminants. Hungry birds: Food a concern for brown pelicans 2018-05-27T04:00:00Z
His group plans to look at other organic chemicals in the Finnish database to determine whether they might affect fetuses by interacting with DDT. Autism and DDT: What one million pregnancies can — and can’t — reveal 2018-08-15T04:00:00Z
The compound, difluoro-diphenyl-trichloro-ethane is the same molecule as DDT, except with fluorine atoms replacing two of the chlorines. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
We now understand, for instance, the impact of DDT pesticides from our ability to compare eggs at the collection from before the introduction of DDT to immediately afterwards. One Obsessed Musician, 299 Birds, and a Very Weird Crime 2018-05-19T04:00:00Z
She said she is impressed by the number and quality of the samples in the Finnish database, and finds the association between DDT and autism striking. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
Her book “Silent Spring” began the discussion that led to the nationwide ban on DDT. National Audubon Society commends Green Mountain Power CEO 2018-05-16T04:00:00Z
“At this point, essentially the entire planet is contaminated with DDT,” he says. Autism and DDT: What one million pregnancies can — and can’t — reveal 2018-08-15T04:00:00Z
Contemporary experts in insecticide use are skeptical of DFDT’s prospects as a solution to malaria, pointing to similarities in its chemical structures to DDT’s. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z
Scientists then demonstrated that eggshells had grown thinner and less viable, which led to the banning of DDT. One Obsessed Musician, 299 Birds, and a Very Weird Crime 2018-05-19T04:00:00Z
“It suggests another potential environmental risk factor, DDT, but also did not replicate a previously identified risk factor, PCBs,” he told Healthline. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
Decades ago, the number of osprey in the United States took a significant hit due to the use of the insecticide DDT, which thinned their eggshells. Webcam at UO offers bird’s-eye view of osprey nest 2018-05-05T04:00:00Z
It brought to light the dangerous use of a pesticide called DDT that was polluting rivers and destroying the eggs of birds of prey like bald eagles. How the Environment Has Changed Since the First Earth Day 2018-04-20T04:00:00Z
Although a Nobel Prize was awarded for its discovery, scientists eventually realized that DDT was causing problems in the environment, including thinning the shells of birds' eggs. 48 Environmental Victories Since the First Earth Day 2018-04-18T04:00:00Z
One photo shows Iraqi newcomers being sprayed with DDT pesticide. With Jews largely gone from Iraq, memories survive in Israel 2018-04-18T04:00:00Z
Farmers used DDT on a variety of food crops in the United States and worldwide, and DDT was also used in buildings for pest control. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
After the ban on the insecticide DDT, which thinned its eggshells, the falcons began to recover in the Eastern United States and elsewhere. Falcons are as fast as racecars. Pity their poor prey. 2018-04-12T04:00:00Z
They were brought to the brink of extinction in the 1970s, victims of the pesticide DDT, which killed thousands of birds. ‘These Eagles Are More Than Just a Symbol’ 2018-03-20T04:00:00Z
The hatchings are a sign of progress in restoration of the species to the island chain where the birds disappeared in the 1960s due to the effects of DDT and other human activities. Bald eagle chicks hatch on California’s Channel Islands 2018-03-16T04:00:00Z
DDT ultimately was banned because of its effects on bald eagles and other wildlife. Rescued bald eagle undergoes surgery at Fort Wayne clinic 2018-03-05T05:00:00Z
Some environmental groups support the limited use of DDT to address the malaria crisis, but other groups say spraying DDT is harmful. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
Think of it as DDT for Internet Two. Beyond the Bitcoin Bubble 2018-01-16T05:00:00Z
Poisoning by the pesticide DDT, loss of habitat and shooting contributed to a significant decline in bald eagle populations across the country. An eagle finds his wings again at Astoria wildlife center 2018-01-20T05:00:00Z
Eberius and her colleagues then draw a blood sample that will be measured for levels of DDT and other environmental toxins. Student climbs into bald eagle nests in the name of science 2018-01-15T05:00:00Z
Five groups of organic contaminants, including the insecticides chlordane and DDT, also ended up accumulating in the mussels. A nasty-tasting shellfish could be just the job for cleaning rivers 2017-12-07T05:00:00Z
Worldwide, DDT is still used in small quantities in nations as an effective killer of mosquitos, including those that carry malaria. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
Birds of prey such as eagles, finally recovering from the DDT excesses of the 1970s, were in trouble again. A roundup of recent Michigan newspaper editorials 2017-11-27T05:00:00Z
His example was DDT, a pesticide and probable carcinogen that nonetheless saved the lives of hundreds of thousands of people in India as a cheap and effective malaria prevention. The 6 Laws of Technology Everyone Should Know 2017-11-26T05:00:00Z
The organophosphate pesticides that have replaced DDT are themselves actually much more acutely toxic to people, but overall they are significantly safer precisely because they do persist in the environment. Do Pesticides Get Into the Flesh of Fruits and Vegetables? 2017-11-10T05:00:00Z
Unlike other pest agents such as DDT, this chemical was touted as environmentally sound by its producer, Monsanto. Da Vinci's Genius, Oliver Sacks on Consciousness, and Other New Science Books. 2017-11-10T05:00:00Z
DDT was so popular because it’s effective, relatively inexpensive to manufacture, and lasts a long time in the environment. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
DDT Jabavu would later return to Africa, where he set up the South African Native College at Fort Hare in the Cape Province. The black missionaries of Colwyn Bay 2017-10-30T04:00:00Z
Indoor residual house-spraying with DDT was introduced through comparatively small projects during the 1950s and expanded in the 1960s only in southern Africa, Ethiopia, Sudan, Somalia and Madagascar. The prevalence of Plasmodium falciparum in sub-Saharan Africa since 1900 : Nature : Nature Research 2017-10-10T04:00:00Z
For example, one of the very major problems with DDT was that it was persistent and not readily broken down. Do Pesticides Get Into the Flesh of Fruits and Vegetables? 2017-11-10T05:00:00Z
“In the 20th century, we brought bald eagles back from the brink of extinction by limiting use of DDT,” said Elizabeth Crone, a Tufts University professor and study co-author. Monarch butterflies might vanish from Northwest summers 2017-09-23T04:00:00Z
Some, such as the Cato Institute, want to bring DDT back in the United States. DDT banned for decades may still be affecting autism risk 2018-09-20T04:00:00Z
“In the 20th century, we brought bald eagles back from the brink of extinction by limiting use of DDT,” said Elizabeth Crone, a Tufts University professor and co-author of the published study. Monarch butterflies might vanish from northwest summers 2017-09-23T04:00:00Z
From 2000 to 2014, gross production values for tea in Uganda more than doubled Along with chlorpyrifos, the researchers also found DDT and its traces in and around the farms. What’s warping the faces of monkeys in Uganda? 2017-08-25T04:00:00Z
Most insects were no match for DDT or other new chemicals—but the diamondback revealed a talent for survival. Sex Battle in the Sky: Genetically Modified Moths Take Flight in New York 2017-08-25T04:00:00Z
The birds were on the brink of extinction five decades ago, their eggs made too fragile by the pesticide DDT, which was delisted as an acceptable pesticide by the federal government in 1972. California Today: Baby Falcons Take Flight in Berkeley 2017-07-11T04:00:00Z
Bald eagles were nearly eliminated from the state by the late 1960s, mainly due to the effects of the pesticide DDT on nesting success. New York’s breeding eagle population hits new high 2017-07-04T04:00:00Z
We got rid of malaria in the United States by spraying DDT in the fifties with miserable consequences for the environment. Insecticide Is Just As Dangerous As Zika 2017-06-30T04:00:00Z
Chlorpyrifos, a DDT byproduct, and another insecticide – imidacloprid – were also detected in fish near the farms. What’s warping the faces of monkeys in Uganda? 2017-08-25T04:00:00Z
"Food Evolution" certainly understands the larger factors that put GMO foods in the crosshairs: societal fury at corporate lying and greed, and distrust of Monsanto in particular as the developer of DDT and Agent Orange. Documentary 'Food Evolution' turns to reason to discuss GMO controversy 2017-06-29T04:00:00Z
Or the decline of bald eagles – the nation’s symbol – due to the use of the pesticide DDT, which, when it entered the food cycle, caused birds to lay weak eggs and kill their young. Why is climate change such a hard sell in the U.S.? 2017-06-25T04:00:00Z
In 1964, his discovery of DDT residue in Antarctic penguins and seals testified to the pesticide’s vast reach. William J.L. Sladen, Expert on Penguin Libidos, Is Dead at 96 2017-06-17T04:00:00Z
DDT holds open the tiny sodium pores, allowing sodium to flow into the cell unabated. Revenge of the Super Lice 2017-06-14T04:00:00Z
Part of that is due to increased use of insecticide-treated mosquito nets and part of it is due to indoor pesticide spraying, which included DDT for a brief period from 2008 to 2010. What’s warping the faces of monkeys in Uganda? 2017-08-25T04:00:00Z
The population became imperiled as the pesticide DDT accumulated in the falcons and made their eggs fragile. Peregrine falcon population rises in southeastern Michigan 2017-06-14T04:00:00Z
The legend that “a pound of DDT to the acre is harmless” means nothing if spraying is repeated. Silent Spring—I 2017-01-03T05:00:00Z
Nationwide, the peregrine falcon population was nearly wiped out in the 1970s because of the widespread use of the pesticide DDT. Lexington’s falcon population triples to 6 2017-06-03T04:00:00Z
The earlier use of DDT had primed lice to develop this resistance. Revenge of the Super Lice 2017-06-14T04:00:00Z
This library was the sanctuary where I read Rachel Carson’s “Silent Spring” after dodging the DDT spray truck trolling our neighborhood. Opinion | The temple of my childhood: A flying saucer 2017-05-19T04:00:00Z
In 1962, Rachel Carson warned that pesticides, particularly DDT, would lead to springs without birdsong, as she wrote in her book “Silent Spring.” Experts fear ‘quiet springs’ as songbirds can’t keep up with climate change 2017-05-16T04:00:00Z
Potato soils have been found to contain up to fifteen pounds of DDT per acre, corn soils up to nineteen. Silent Spring—I 2017-01-03T05:00:00Z
After DDT was banned, falcon and other raptors began to come back. Lexington’s falcon population triples to 6 2017-06-03T04:00:00Z
Decades of DDT exposure allowed lice to evolve mutations that block its effects on the sodium pores. Revenge of the Super Lice 2017-06-14T04:00:00Z
The layers revealed a striking change in the birds' diets in the 1940s, around the time DDT was introduced. Where have all the insects gone? 2017-05-10T04:00:00Z
But the danger of a silent spring, according to ecologists who study birds, did not evaporate with DDT. Experts fear ‘quiet springs’ as songbirds can’t keep up with climate change 2017-05-16T04:00:00Z
Soils from apple orchards seem to reach the peak of contamination, for the rate at which DDT accumulates here almost keeps pace with its rate of annual application. Silent Spring—I 2017-01-03T05:00:00Z
The bird disappeared from all states east of the Mississippi River in the 1960s, partly due to the use of the pesticide DDT, which broke falcon eggs. Peregrine falcon chicks offer field learning experience 2017-05-10T04:00:00Z
Lice have thus been able to readily evolve resistance to them, by co-opting mutations that fortified them against DDT. Revenge of the Super Lice 2017-06-14T04:00:00Z
The proportion of beetle parts increased slightly again after DDT was banned in the 1970s but never reached its earlier levels. Where have all the insects gone? 2017-05-10T04:00:00Z
Osprey populations declined because of the pesticide DDT. Ospreys make a comeback in Delaware 2017-04-01T04:00:00Z
In a single season, if orchards are sprayed four or more times, DDT residues may amount to as much as fifty pounds to the acre. Silent Spring—I 2017-01-03T05:00:00Z
But the same chemical that nearly doomed eagles, DDT, was an invisible killer of condors. These creatures faced extinction. The Endangered Species Act saved them. 2017-03-11T05:00:00Z
Use of DDT to combat lice and other insects continued until the 1980s in Europe and Asia; in the U.S., the insecticide was phased out a decade earlier amid safety concerns. Revenge of the Super Lice 2017-06-14T04:00:00Z
Bald eagles have rebounded across the US since 1972, when the government banned the pesticide DDT. Bald eagle population threatened by lead poisoning, US scientists warn 2017-03-16T04:00:00Z
“Like many raptors, DDT did a number on them,” said Kate Fleming, a state wildlife biologist. Ospreys make a comeback in Delaware 2017-04-01T04:00:00Z
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