I experienced war’s subterranean future as drones dominate the skies. I didn’t like it.

© Finbarr O'Reilly for The New York Times

The Biden administration had sought to crack down on methane leaks, a big driver of climate change. Those rules are now being scaled back.

© Susan Montoya Bryan/Associated Press

Interviews and documents show a Russian energy giant secretly funded a U.S. firm. The deal has been discussed in talks to end the war in Ukraine.

© Daniel Acker/Bloomberg