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Byline: Chico Harlan, Maxine Joselow and Timothy Puko DUBAI - Breaking a deadlock that had hindered climate talks for three decades, nations Wednesday struck a deal that calls for tackling [...]

Byline: Chico Harlan, Maxine Joselow and Timothy Puko DUBAI - Breaking a deadlock that had hindered climate talks for three decades, nations Wednesday struck a deal that calls for tackling [...]

Byline: Timothy Puko, Maxine Joselow and Chico Harlan DUBAI - Nations reached a breakthrough climate agreement Wednesday, calling for a transition away from fossil fuels in an unprecedented deal that [...]

Byline: Maxine Joselow, Chico Harlan and Timothy Puko DUBAI - Mona Ainuu wiped away tears as she reacted to a draft agreement at the U.N. Climate Change Conference here, her [...]

Byline: Maxine Joselow, Chico Harlan and Timothy Puko DUBAI - Mona Ainuu wiped away tears as she reacted to a draft agreement at the U.N. Climate Change Conference here, her [...]

Byline: Maxine Joselow and Timothy Puko DUBAI - U.S. officials at the U.N. Climate Change Conference here have tried to hammer home one message since Donald Trump left the White [...]

Byline: Chico Harlan and Timothy Puko DUBAI - For 30 years, with temperatures and sea levels rising, global negotiators have managed to discuss the health of the planet without addressing [...]

Byline: Timothy Puko Fossil fuel interests are swarming this year's U.N. Climate Change Conference, possibly like never before, according to research released Tuesday by a coalition of advocacy groups. More [...]

Byline: Timothy Puko Many of the world's biggest oil companies announced Saturday that they would slash methane emissions from their wells and drilling by more than 80 percent by 2030, [...]

Byline: Timothy Puko The world's leading oil producers, including those in the United States, are rolling out new plans in Dubai on Saturday to significantly reduce methane from their operations [...]

Byline: Timothy Puko and Chico Harlan The United Arab Emirates, battling low expectations ahead of a global climate conference it is hosting with some controversy, plans to launch COP28 this [...]

Byline: Timothy Puko SWEETWATER COUNTY, Wyo. - From near the 8,700 foot peak of Steamboat Mountain here, Mark Kot looks down on the sandy and brush-covered Red Desert - home [...]

Byline: Timothy Puko A federal judge has upheld approvals for the controversial Alaska oil project Willow, opening the door for its construction on iced-over tundra this winter. U.S. District Judge [...]

Byline: Timothy Puko A federal judge has upheld approvals for the controversial Alaska oil project Willow, ruling Thursday the Biden administration properly evaluated the project before permitting it earlier this [...]

Byline: Timothy Puko A slew of canceled offshore wind projects and contracts have jeopardized the Biden administration's push to expand the new industry and its promise of clean power for [...]

Byline: Timothy Puko A slew of canceled offshore wind projects and contracts have jeopardized the Biden administration's targets for a massive expansion of the new industry and its promise of [...]

Byline: Timothy Puko and Lori Aratani The Environmental Protection Agency on Wednesday announced it has determined that lead emitted from airplanes is a danger to public health, opening the door [...]

Byline: Maxine Joselow and Timothy Puko Environmentalists are gearing up for their next giant climate fight: They want to force a showdown with the Biden administration over the massive expansion [...]

Byline: Timothy Puko A road critical to operating a proposed open-pit mine in a remote part of Alaska hit a new hurdle Friday when the Biden administration issued a finding [...]

Byline: Timothy Puko After years of promises of new climate funding, the developing world is coming to grips with a disappointing reality: Money still isn't coming through fast enough to [...]

Byline: Timothy Puko The White House on Sunday condemned a conservative social media activist for ridiculing an openly-gay Interior Department official on the site X, describing her posts as 'cruel [...]

Byline: Timothy Puko The Interior Department's No. 2 is stepping down at month's end, leaving open a role in the Biden administration that oversees some of its most controversial decisions [...]

Byline: Timothy Puko LAS VEGAS - Eleonor Cantu is the kind of climate-conscious voter that President Biden and Democrats need in 2024 to hold on to power in Washington. An [...]

Byline: Timothy Puko The Biden administration said Friday it will approve just three offshore oil and gas lease sales through 2029 - the smallest offshore oil drilling plan in history [...]

Byline: Timothy Puko It was only weeks before the 2020 election when Joe Biden told Florida voters he would end offshore drilling as president. His campaign pledge was very clear [...]

Byline: Dino Grandoni and Timothy Puko It was a whale of an announcement. After years of research, scientists said they had discovered an entirely new species of whale swimming right [...]

Byline: Timothy Puko Leaders of some of the world's top climate institutions are ratcheting up pressure on the United States and China to forge an agreement on confronting global warming, [...]

Byline: Timothy Puko NEW YORK - Canada is pushing the United States and other major economies to follow through on pledges to phase out 'inefficient' fossil fuel subsidies, which have [...]

Byline: Timothy Puko and Dino Grandoni NEW YORK - They arrived by the thousands, wearing gas masks and melting-snowmen costumes and carrying signs calling for an end of burning fossil [...]

Byline: Timothy Puko Because of a 151-year-old U.S. mining law, miners hold claims on federal land for years at little cost, work in secret and frequently submit incomplete plans to [...]

Byline: Timothy Puko President Biden moved Wednesday to protect more than 10 million acres of Alaska's North Slope from development, barring oil drilling across giant swaths and canceling leases in [...]

Byline: Timothy Puko and Lillian Cunningham AMBLER, Alaska - From the peak of a mountain here, you can see the past and possible future of one of the largest protected [...]

Byline: Timothy Puko Oil and gas drillers would have to commit more than 10 times as much money to guarantee their wells won't pollute under an Interior Department proposal announced [...]

Byline: Timothy Puko In one of its strongest measures yet against a contaminant that poisons children, the Environmental Protection Agency on Wednesday proposed tougher standards on lead in paint in [...]

Byline: Timothy Puko Some of the country's largest manufacturers of heavy trucks and engines have agreed to accept California's plan to ban sales of new diesel big rigs by 2036 [...]

Byline: Timothy Puko and Darryl Fears In a setback for environmental justice advocates, the Biden administration has closed a civil rights investigation of two Louisiana state agencies without finding discrimination [...]

Byline: Timothy Puko and Darryl Fears In a setback for environmental justice advocates, the Biden administration has closed a civil rights investigation of two Louisiana state agencies without finding discrimination [...]

Byline: Timothy Puko DONALDSONVILLE, La. - Petrochemical plants and refineries dominate the landscape in this part of Louisiana, each year spewing millions of tons of carbon dioxide into the air. [...]

Byline: Timothy Puko A long-disputed Appalachian natural gas pipeline could be on a fast track to completion as part of the new debt ceiling deal. President Biden and House Republicans [...]

Byline: Timothy Puko and Robert Barnes Bogs. Marshes. Swamps. Fens. All are examples of wetlands. But the type of wetland that gets protection under federal law is a matter of [...]

Byline: Robert Barnes, Timothy Puko and Ann E. Marimow WASHINGTON - The Supreme Court on Thursday cut back the power of the Environmental Protection Agency to regulate the nation's wetlands, [...]

Byline: Ann E. Marimow, Timothy Puko and Robert Barnes The Supreme Court on Thursday cut back the power of the Environmental Protection Agency to regulate the nation's wetlands and waterways, [...]

Byline: Timothy Puko The Biden administration on Wednesday proposed expanding the number of coal waste dumps that would be subject to environmental oversight, a decade after a string of toxic [...]

Byline: Timothy Puko The Environmental Protection Agency on Thursday announced a proposal for the tightest limits ever on power plants' planet-warming pollution, a policy it must enact to meet President [...]

Byline: Timothy Puko The Environmental Protection Agency on Thursday proposed the tightest limits ever on power plants' planet-warming pollution, a policy it must enact to meet President Biden's pledge to [...]

Byline: Timothy Puko PORT ARTHUR, Tex. - A half-hour's drive from where the modern oil and gas industry was born, a new power plant provides a glimpse into one possible [...]

Byline: Timothy Puko The Biden administration is preparing to unveil a proposal to require power plants to drastically reduce their greenhouse-gas emissions by 2040, another attempt to regulate one of [...]

Byline: Timothy Puko The Biden administration is preparing to unveil a proposal to require power plants to nearly eliminate their greenhouse-gas emissions by 2040, another attempt to regulate one of [...]

Byline: Timothy Puko The Biden administration is proposing a widespread ban on a toxic chemical used in paint strippers that has been linked to dozens of accidental deaths, the first [...]

Byline: Evan Halper and Timothy Puko The Biden administration's plan to remake how Americans travel by forcing automakers to rapidly shift to predominantly electric vehicle sales would strike a major [...]