Ellen Knickmeyer

Associated Press Writers
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September 30, 2025
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HII Investing in Production Facility for the U.S. Army's Laser Weapon System
October 1, 2025
A closed sign stands in front of the National Archives on the first day of a government shutdown, Wednesday, Oct. 1, 2025, in Washington.
Government Shutdown: What Happens Now
October 1, 2025
Construction continues at the Lithium Nevada Corp. mine site Thacker Pass project, April 24, 2023, near Orovada, Nev.
U.S. Takes Stake in Company Operating One of World's Largest Lithium Mines in Nevada
October 1, 2025
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Secretary of State Antony Blinken waves as he departs the Geneva Airport, Friday, Jan. 21, 2022, in Geneva, Switzerland.
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U.S., Europe Plan for Any Cutoff of Russian Natural Gas
The concern stems from repercussions in retaliation to promised economic and political sanctions if Russia moves its military into Ukraine.
January 26, 2022
President Joe Biden speaks to the virtual Leaders Summit on Climate, from the East Room of the White House, Thursday, April 22, 2021, in Washington.
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Jobs Are Make-or-Break Argument for Biden in Climate Plan
Climate change is not just a threat, says President Biden. It's an opportunity.
April 23, 2021
In this Jan. 27, 2021, file photo, Special Presidential Envoy for Climate John Kerry speaks during a press briefing at the White House in Washington. The world’s hopes for curbing climate change hinge on action by two giant nations whose relations are deteriorating. China and the United States both say they are intent on retooling their economies to burn less climate-wrecking coal, oil and gas. But tensions between them threaten their ultimate success.
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US-China Tensions Threaten Global Climate Change Efforts
China and the United States are the world's No. 1 and No. 2 carbon polluters.
March 4, 2021
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Federal Court Strikes Down Trump Climate Rollback
The decision is likely to give the incoming Biden administration a freer hand to regulate emissions from power plants.
January 20, 2021
Dave Johnson coal-fired power plant.
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EPA Overrides Scientists' Calls for Tougher Pollutant Limit
Environmental groups promised a legal challenge.
December 9, 2020
New Hampshire Rep. Nancy Murphy, D-Merrimack.
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Thousands Allowed to Bypass Environmental Rules in Pandemic
Governments eased enforcement over smokestacks, medical waste, sewage plants, oilfields and chemical plants.
August 24, 2020
A shale gas drilling site in St. Mary's, Pa.
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EPA Expected to Undo Methane Leak Rule for Oil, Gas Industry
The Obama-era rules were designed to limit greenhouse gas emissions from oil and gas fields and pipelines.
August 13, 2020
In this Sept. 21, 2017, file photo, the Environmental Protection Agency (EPA) Building is shown in Washington. Six former Environmental Protection Agency chiefs are calling for an agency reset after President Donald Trump’s regulation-chopping, industry-minded first term. The group is presenting a detailed action plan drafted by former EPA staffers for whoever wins the Nov. 3 presidential election.
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Ex-EPA Bosses Call for Agency Reset
More than 500 former EPA senior managers and employees crafted the hundreds of pages of recommendations for a change of course at the agency.
August 12, 2020
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US Says it Will Adopt Global Climate Standards for Aviation
Environmental groups say the EPA's proposal does not go far enough.
July 23, 2020
In this Aug. 23, 2018, file photo, a coal-fired plant in Winfield, W.Va, is seen from an apartment complex in the town of Poca across the Kanawha River. The Trump administration is gutting an Obama-era rule that compelled coal plants to cut back emissions of mercury and other human health hazards, limiting future regulation of air pollutants by petroleum and coal plants.
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EPA Guts Coal Rule
Many utilities have urged the Trump administration not to go ahead with Thursday's rollbacks.
April 17, 2020
Prince Abdulaziz bin Salman Al-Saud, Minister of Energy of Saudi Arabia, chairs a virtual summit of the Group of 20 energy ministers.
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10M Barrel Cut Deal Reached
Oil prices have collapsed as the coronavirus has largely halted global travel and slowed down other energy-chugging sectors.
April 13, 2020
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Climate-Changing Emissions Down
The agency’s Energy Information Administration projects a 7.5% drop in fossil fuel emissions for 2020, the most significant since 1990.
April 8, 2020
Workers gather near the Unit 2 reactor which is undergoing re-fueling during a tour of the Browns Ferry nuclear plant in Athens, Ala. U.S.
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Longer Shifts at Nuclear Plants
The shift extensions would allow workers to be on the job for up to 86 hours a week.
April 3, 2020
his Dec. 12, 2018, file photo shows traffic on the Hollywood Freeway in Los Angeles.
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Trump Guts Obama Climate Effort
The mileage standard would have encouraged automakers to ramp up production of electric vehicles and more fuel-efficient gas and diesel vehicles.
March 31, 2020