"Regulation of toxic substances has long exempted synthetic chemicals made of large molecules believed too big to escape products to cause harm. A new study shows how dangerous that assumption is."

"Los Angeles County said Wednesday that it’s suing Southern California Edison, alleging the utility’s equipment sparked January’s Eaton Fire, which destroyed more than 9,400 structures and killed 17 people in the Altadena area."

"Scores of employees working to ensure offshore wind has a low impact on whales, birds, and other wildlife were cut in a major round of layoffs at the agency."

"A government spreadsheet lists thousands of campsites and trails that could shutter for the summer because of federal government staff reductions and budget freezes."

"The United States is withdrawing from the Just Energy Transition Partnership, a collaboration between richer nations to help developing countries transition from coal to cleaner energy, several sources in key participating countries said."

"The State Department will no longer share data about foreign air pollution under a program that it says is designed to help U.S. personnel and travelers abroad."

"It is a ritual that takes place every winter — federal and state wildlife managers use remote cameras, scat collection, radio telemetry devices and helicopters to count Mexican gray wolves that are roaming mountain ranges in parts of New Mexico and Arizona." "This year’s count shows the recovery of Mexican wolves is inching forward."

"El Paso Water broke ground on the first U.S. facility that will treat wastewater for direct re-use in a city water supply, using a four-step process to transform wastewater into clean, potable drinking water."

""They rely on our energy, they need to feel the pain," Premier Doug Ford said Monday on cutting Ontario electricity exports to U.S."

"Arthur Johnson has lived in New Orleans’ Lower 9th Ward for nearly three decades, long enough to appreciate the trees that filter pollution from the big ships traveling the nearby Mississippi River and that offer shade on sweltering summer days."