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    Scientists Predict Most Extensive Coral Bleaching Event on Record

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    Rising sea temperatures around the planet have caused a bleaching event that is expected to be the most extensive on record.The world’s coral reefs are in the throes of a global bleaching event caused by extraordinary ocean temperatures, the National Oceanic and Atmospheric Administration and international partners announced Monday.It is the fourth such global event on record and is expected to affect more reefs than any other. Bleaching occurs when corals become so stressed that they lose the symbiotic algae they need to survive. Bleached corals can recover, but if the water surrounding them is too hot for too long, they die.Coral reefs are vital ecosystems: limestone cradles of marine life that nurture an estimated quarter of ocean species at some point during their life cycles, support fish that provide protein for millions of people and protect coasts from storms. The economic value of the world’s coral reefs has been estimated at $2.7 trillion annually.For the last year, ocean temperatures have been off the charts.“This is scary, because coral reefs are so important,” said Derek Manzello, the coordinator of NOAA’s Coral Reef Watch program, which monitors and predicts bleaching events.The news is the latest example of climate scientists’ alarming predictions coming to pass as the planet heats. Despite decades of warnings from scientists and pledges from leaders, nations are burning more fossil fuels than ever and greenhouse gas emissions continue to rise.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      PFAS ‘Forever Chemicals’ Are Pervasive in Water Worldwide, Study Finds

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      A global survey found harmful levels even in water samples taken far any obvious source of contamination.They’re in makeup, dental floss and menstrual products. They’re in nonstick pans and takeout food wrappers. Same with rain jackets and firefighting equipment, as well as pesticides and artificial turf on sports fields.They’re PFAS: a class of man-made chemicals called per- and polyfluoroalkyl substances. They are also called “forever chemicals” because the bonds in their chemical compounds are so strong they don’t break down for hundreds to thousands of years, if at all.They’re also in our water.A new study of more than 45,000 water samples around the world found that about 31 percent of groundwater samples tested that weren’t near any obvious source of contamination have PFAS levels considered harmful to human health by the Environmental Protection Agency. About 16 percent of surface water samples tested, which were also not near any known source, have similarly hazardous PFAS levels.This finding “sets off alarm bells,” said Denis O’Carroll, a professor of civil and environmental engineering at the University of New South Wales and one of the authors of the study, which was published on Monday in Nature Geoscience. “Not just for PFAS, but also for all the other chemicals that we put out into the environment. We don’t necessarily know their long-term impacts to us or the ecosystem.”High levels of exposure to some PFAS chemicals have been linked to higher cholesterol, liver and immune system damage, hypertension and pre-eclampsia during pregnancy, as well as kidney and testicular cancer.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      The Last Coal-Fired Power Plants in New England Are to Close

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      The company that owns the Merrimack and Schiller stations in New Hampshire plans to turn them into solar farms and battery storage for offshore wind.The last two coal-fired power plants in New England are set to close by 2025 and 2028, ending the use of a fossil fuel that supplied electricity to the region for more than 50 years.The decision to close the Merrimack and Schiller stations, both in New Hampshire, makes New England the second region in the country, after the Pacific Northwest, to stop burning coal.Environmentalists waged a five-year legal battle against the New Hampshire plants, saying that the owner had discharged warm water from steam turbines into a nearby river without cooling it first to match the natural temperature.In a settlement reached on Wednesday with the Sierra Club and the Conservative Law Foundation, Granite Shore Power, the owner of the plants, agreed that Schiller would not run after Dec. 31, 2025 and that Merrimack would cease operations no later than June 2028.“This announcement is the culmination of years of persistence and dedication from so many people across New England,” said Gina McCarthy, a former national climate adviser to President Biden and former administrator of the Environmental Protection Agency during the Obama administration who is now a senior adviser at Bloomberg Philanthropies, which supports efforts to phase out coal.“I’m wicked proud to live in New England today and be here,” Ms. McCarthy said. “Every day, we’re showing the rest of the country that we will secure our clean energy future without compromising.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      How the New E.P.A. Rules Affect Toyota and Their Hybrid Cars

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      The auto giant lobbied hard against tougher pollution rules. This week, the E.P.A.’s new rules proved favorable to hybrid technology, an area that Toyota dominates.The breakfast at Toyota’s annual dealership gathering in Las Vegas last fall was an exclusive, invite-only affair, where attendees were told to cover their cellphone cameras with red stickers.Speaking was Stephen Ciccone, Toyota’s top lobbyist. He said the industry was facing an existential crisis — not because of the economy or fuel prices, but because of stronger tailpipe pollution limits being proposed in the United States. The rules were “bad for the country, bad for the consumer, and bad for the auto industry,” he said, according to a memo he later circulated among Toyota dealerships that was reviewed by The New York Times.“For more than two years, Toyota and our dealer partners have stood alone in the fight against unrealistic BEV mandates,” he wrote, using the acronym for battery-electric vehicles. “We have taken a lot of hits from environmental activists, the media, and some politicians. But we have not — and we will not — back down.”On Wednesday, the Environmental Protection Agency finalized tailpipe emissions rules that require car makers to meet tough new average emissions limits. The rules are some of the most significant aimed at fighting climate change in United States history.But the rules relaxed major elements of an earlier, more stringent proposal. In particular, the final regulations were favorable to hybrid cars, those that run both on gasoline and electricity — giving a bigger role to a market that Toyota dominates.Toyota, it appeared, had come out on top.Once a leader in clean cars, Toyota has cemented its role as the voice of caution against electrifying the auto industry too quickly, using its lobbying and public relations muscle to oppose a rapid shift that experts say is critical to fighting climate change.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Sixteen States Sue Biden Administration Over Gas Permit Pause

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      President Biden halted approvals for new exports of liquefied natural gas to study its effect on the climate, national security and the economy. Major oil- and gas-producing states are angry.Louisiana and 15 other Republican-led states sued the Biden administration on Thursday over its decision to temporarily stop approving new permits for facilities that export liquefied natural gas.The lawsuit contends that the Biden administration acted illegally when it decided in January to pause the approvals so it could study how gas exports affect climate change, the economy and national security.Filed in the United States District Court for the Western District of Louisiana, the lawsuit asks a judge to end the pause, arguing that the White House had flouted the regulatory process and instead taken action “by fiat.”“There is no legal basis for the pause,” Elizabeth B. Murrill, the attorney general of Louisiana, which led the legal challenge, said in an interview.Ms. Murrill, who referred to the pause as a ban, said halting permits for any amount of time would hurt states’ economies and would have significant long-term consequences abroad by restricting supplies of gas from the United States to Europe.The United States is the world’s top exporter of natural gas. Liquefied natural gas is a gas that has been cooled to a liquid state to allow for shipping and storage. Even with the pause, the country is still on track to nearly double its export capacity by 2027 because of projects already permitted and under construction. But any expansions beyond that are now in doubt.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      What Really Causes Poor Performance in School

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      More from our inbox:Becoming a Republican to Vote Against TrumpCountering Propaganda From the Fossil Fuel Industry Wayne Miller/MagnumTo the Editor:Re “We’re Not Battling the School Issues That Matter,” by Nicholas Kristof (column, March 7):I completely agree with Mr. Kristof’s column. The situation is serious, not only for education but also for our embattled democracy.I would like to add some nuance. I have been working on a state-by-state analysis of the possible influence of racism, specifically anti-Black racism, on educational achievement.What I have found so far indicates that some children are taught quite well: those in private schools, of course; Asian American children (particularly those whose families are from India); white children of families prosperous enough to be ineligible for the National School Lunch Program; children of college-educated parents; and Hispanic children who are not English-language learners.Some students are in groups that are not likely to be taught to read effectively: Native Americans, children who are poor enough to be eligible for the National School Lunch Program and Black children.None of this will be news to Mr. Kristof. What is surprising to me is the sheer extent and arbitrary nature of the failure by school authorities. Almost everywhere that urban schools, in particular, are failing, socioeconomically similar children are being taught much more effectively in the nearest suburban districts.Part of the reason is money: Per-student expenditure is associated with educational achievement.But part of the problem — most of it — is a matter of administrative decisions: placing the best teachers in schools with the “best” students; equipping schools, in effect, in accordance with parental income; offering more gifted and talented classes to white students — all the perhaps unconscious manifestations of everyday racism.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      In Paris, the Olympics Clean Up Their Act

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      How do you produce a global sporting event, with millions of people swooping down on one city, in the age of global warming?That is the test for the Paris Olympics this summer.The organizers say they’re putting the games on a climate diet. These Olympics, they say, will generate no more than half the greenhouse gas emissions of recent Olympics. That means tightening the belt on everything that produces planet-warming emissions: electricity, food, buildings, and transportation, including the jet fuel that athletes and fans burn traveling the world to get there.An event that attracts 10,500 athletes and an estimated 15 million spectators is, by definition, going to have an environmental toll. And that has led those who love the games but hate the pollution to suggest that the Olympics should be scattered around the world, in existing facilities, to eliminate the need for so much new construction and air travel. That’s why Paris is being watched so closely.It is making more space for bikes and less for cars. It’s doing away with huge, diesel-powered generators, a fixture of big sporting events. It’s planning guest menus that are less polluting to grow and cook than typical French fare: more plants, less steak au poivre. Solar panels will float, temporarily, on the Seine.But the organizers’ most significant act may be what they are not doing: They aren’t building. At least, not as much.Construction of bike lanes at Boulevard Haussman.Yulia Grigoryants for The New York TimesWe are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Court Temporarily Halts S.E.C.’s New Climate Rules

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      Two fracking companies had challenged requirements that some businesses disclose more information about the risks they face from climate change.A federal court on Friday temporarily halted new rules from the Securities Exchange Commission that require public companies to disclose more about the business risks they face from climate change, siding with two oil and gas companies that criticized the requirements as costly and arbitrary.Approved by the S.E.C. this month, the rules require some publicly traded companies to disclose their climate risks, and how much greenhouse gas emissions they produce. Industry groups, as well as their political allies, have filed numerous lawsuits challenging the regulation.The U.S. Chamber of Commerce, which represents a wide cross-section of industries, filed suit in the U.S. Court of Appeals for the Fifth Circuit this week to stop the rules, calling them unconstitutional. Ten Republican-led states have also sued to stop the rules.The emergency stay granted by Fifth Circuit judges on Friday came in a case brought by two fracking companies, Liberty Energy and Nomad Proppant Services. “There is no clear authority for the S.E.C. to effectively regulate the controversial issue of climate change,” the two companies wrote in their petition. They were “arbitrary and capricious,” the two companies said, and violated the First Amendment, which protects free speech, by “effectively mandating discussions about climate change.”In addition, the rules would cost companies “irreparable injury in the form of unrecoverable compliance costs,” they said.Climate disasters, including extreme weather like hurricanes, floods and drought, are taking a rising toll on people as well as businesses around the world. In 2023, the United States experienced a record 28 weather and climate disasters that cost at least $1 billion each, according to the National Oceanic and Atmospheric Administration. Treasury Secretary Janet Yellen said last year that losses tied to climate change could “cascade through the financial system.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Winter Heat Waves and Hottest Ocean Ever

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      Recent heat waves in cities worldwide have the hallmarks of global warming, researchers said. And last month was the hottest February on record.Winter was weirdly warm for half the world’s population, driven in many places by the burning of fossil fuels, according to an analysis of temperature data from hundreds of locations worldwide.That aligns with the findings published late Wednesday by the European Union’s climate monitoring organization, Copernicus: The world as a whole experienced the hottest February on record, making it the ninth consecutive month of record temperatures. Even more startling, global ocean temperatures in February were at an all-time high for any time of year, according to Copernicus.Taken together, the two sets of figures offer a portrait of an unequivocally warming world that, combined with a natural El Niño weather pattern this year, has made winter unrecognizable in some places.The first analysis, conducted by Climate Central, an independent research group based in New Jersey, found that in several cities in North America, Europe and Asia, not only was winter unusually warm, but climate change played a distinctly recognizable role.Climate Central looked at anomalies in December and January temperature data in 678 cities worldwide and asked: How important are the fingerprints of climate change for these unusual temperatures? That is to say, its researchers tried to isolate the usual variability of the weather from the influence of climate change.“There’s the temperature,” said Andrew Pershing, Climate Central’s vice-president for science, “and then there’s our ability to really detect that climate signal in the data.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More