"California's largest and most expensive environmental cleanup has failed to properly remove lead pollution from some homes and neighborhoods near a notorious battery recycler in southeast Los Angeles County, leaving residents at continued risk, a Los Angeles Times investigation shows."

"When dead birds fall from the sky, you know something is wrong. But finding out exactly what killed them isn’t as easy."

"The Federal Energy Regulatory Commission approved new rules Thursday to help protect the electricity system during severe winter weather, but grid experts said more action is needed to prevent deadly power outages like those that occurred during Winter Storm Uri."

"A cyclone which is intensifying as it approaches the southeastern African coast has been labeled as “dangerous” by the United Nation’s weather agency on Monday as nations brace for landfall."

"Gigantic tsunamis have been decimating coastlines since time immemorial. We ignore these prehistoric warnings at our own peril."

"Recent climate projections may be underestimating the pace of global warming in an atmosphere damaged by greenhouse gas emissions, because the interaction of powerful climate feedback loops that can accelerate warming are not well-represented in key climate models, an international team of scientists concluded in a study published today in the journal One Earth. "

"The Trump administration abandoned rail safety rules that were pursued during the Obama era. The Biden administration is trying to revive some of them."

"A visit to East Palestine from the head of the E.P.A. and a White House pledge to lend more support were met with skepticism in the community."

"There is no timetable for reopening part of the main southern Arizona highway southeast of downtown Tucson, officials said Wednesday afternoon, a day after a deadly desert crash caused a hazardous material leak and forced evacuations nearby."