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Trump Signs Executive Order Seeking Oversight of A.I. Models

The order, which signaled a shift from the hands-off approach the White House had previously taken toward A.I., followed debates over how to gain control of A.I. models without disrupting innovation.
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Florida Sues OpenAI Over Chatbot Safety Concerns

The state became the first to sue the ChatGPT maker over claims that its technology posed a risk to children and that the company had failed to warn the public of dangers.
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S.E.C. Proposes to Kill Climate Change Disclosure Rule

The regulation would have required all publicly traded companies to disclose whether they faced significant risks from climate change and its effects.

© Loren Elliott for The New York Times

An oil drilling site in Wyoming. The S.E.C. rule would have required companies to disclose their contributions to climate change and the risks they faced from a warming planet.
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China’s Rise in Drug Development Looms Over U.S.

Clinical trials in China are getting attention at an international oncology gathering in Chicago. China’s surging biotechnology industry is fueling alarm that U.S. dominance in the field is waning.
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How NextEra Energy Wielded Political Power in Florida

NextEra, which is seeking to buy Dominion Energy, has often butted heads with consumer groups, residents and journalists in its home state.

© Ulysse Bellier/Agence France-Presse — Getty Images

A Dominion Energy power plant near Davis, W.Va. NextEra Energy’s political activities are expected to be scrutinized as it seeks approval of its purchase of Dominion.
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E.P.A. to Repeal Some Limits on ‘Forever Chemicals’ in Drinking Water

The rules were established by the Biden administration after research linked the compounds to a range of serious health problems.

© Haiyun Jiang/The New York Times

Lee Zeldin, the E.P.A. administrator, has argued that the agency made a procedural error when it established the drinking water standards in 2024.
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Trump Eases Restrictions on Climate ‘Super Pollutants’

The administration is delaying a phaseout of hydrofluorocarbons, potent planet-warming chemicals used in air-conditioning and refrigeration.

© Gene J. Puskar/Associated Press

Replacing an air conditioning unit outside a home in western Pennsylvania during a heat wave last June.
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Tesla’s Semi Truck could Jolt the Trucking Industry

California truckers have expressed strong interest in the Tesla Semi because it costs much less and can travel further on a charge than electric trucks sold by established manufacturers.

Screens on either side of a Tesla Semi’s steering wheel provide a view of the traffic around the vehicle.
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Rising Energy Costs and Data Centers at Heart of NextEra’s Dominion Bid

NextEra’s proposed acquisition of Dominion Energy comes as Americans are paying a lot more for electricity, and data centers are demanding a lot more power from utilities.

© Tristan Spinski for The New York Times

NextEra Energy’s acquisition of Dominion Energy would consolidate utility operations along much of the East Coast, which could shape electricity service for tens of millions of customers.
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