Energy Department Reorganization Reflects Shift Away From Renewable Energy

The reorganization reflects the ongoing shift in the federal government’s energy priorities: less renewable energy, more fossil fuels.

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To Meld A.I. With Supercomputers, National Labs Are Picking Up the Pace

A.I. has added urgency to the U.S. national laboratories that have been sites of cutting-edge scientific research, leading to deals with tech giants like Nvidia to speed up.

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Trump Administration Gives Three Mile Island Nuclear Project $1 Billion Loan

The Pennsylvania site, shorthand for the dangers of nuclear power after a 1979 meltdown, is set for revival under a deal to power Microsoft data centers.

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Groups Sue to Reverse Trump’s Cuts to Energy Projects in Democratic States

A lawsuit filed on Monday argued that the president has discriminated against blue states by slashing federal funds for political leverage during the shutdown.

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E.P.A. Retreats From Plans to End the Energy Star Program

The agency has faced blowback from business leaders and Republicans over plans to end the popular energy efficiency program.

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Trump’s Call to Resume Nuclear Testing After Decades Revives a Cold War Debate

President Trump explained the order by saying other, unnamed nations were testing their own nuclear weapons, even though no country has tested since 2017.

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What to Know About US Nuclear Weapons as Trump Threatens to Restart Testing

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe.

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Trump’s Call to Resume Nuclear Testing After Decades Revives a Cold War Debate

President Trump explained the order by saying other, unnamed nations were testing their own nuclear weapons, even though no country has tested since 2017.

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Trump Administration Backs Plan for New Nuclear Plants

The federal government announced on Tuesday that it would back an effort to build several new Westinghouse nuclear reactors, but offered few details.

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In a Looming Nuclear Arms Race, Aging Los Alamos Faces a Major Test

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work disruptions and old infrastructure.

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