The lawsuit argues that it is illegal to pay the French energy giant TotalEnergies $795 million to cancel a planned wind farm off New York.

New guidance from the Energy Department would prevent people from receiving rebates after making such swaps.

© Bing Guan for The New York Times

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

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

© Gene J. Puskar/Associated Press