"The Environmental Protection Agency on Monday announced strengthened limits on pollution from automobile tailpipes in a bid to reduce a major source of the carbon dioxide emissions that are heating the planet."

"Portable generators are among the deadliest consumer products. Two decades after the government identified the danger, and as climate change leads to more power outages, people are left vulnerable by a system that lets the industry regulate itself."

"Methane continues to escape at a high rate from oil and gas operations in the Permian Basin, according to an aerial survey released Tuesday that detected major methane plumes from 40% of 900 sites that were measured. The latest research conducted by the Environmental Defense Fund via helicopter during the first two weeks of November found that 14% of those plumes were the result of malfunctioning flares."

"Almost a decade after a Chalmette fuel plant admitted responsibility for most of the toxic sulfur dioxide emissions in St. Bernard Parish, federal regulators are taking steps that might finally force Louisiana and the plant to clear the air."

"A small town in southern Utah wanted to suppress dust on its roads. Not everyone was pleased."

"A community program tracks air pollution in real time. Burdened by polluting facilities, 86 percent of Bayview’s children developed severe asthma before kindergarten."

"For the first time, hundreds of natural gas processing plants will have to publicly report emissions of benzene and other hazardous air pollutants."

"The Biden administration submitted a treaty amendment aimed at curbing a set of climate super-pollutants for Senate approval on Tuesday, White House officials confirmed."