Air

"A new report on global air pollution shows that the majority of the world’s population breathes unhealthy air, and climate change is making the problem worse."

"A year ago, federal environmental regulators told West Virginia officials that their plan to clear sulfur and smog from skies over the state’s national wilderness areas wasn’t good enough because a dozen coal plants didn’t analyze whether they needed better pollution controls." 

"Rainbow trout is a prized catch for fisherman on the Northern Cheyenne reservation, in the high plains of southeastern Montana." 

"Last year, Southern California’s air regulators rejected landmark rules that would have encouraged the switch from polluting gas heaters to electric heat pumps in the smoggiest region in the country. Now, environmental and public health advocates are pressing state and local officials to investigate whether opposition in the run-up to the decision was largely faked."

"A new California law aims to protect workers from silicosis, an incurable lung disease that has killed 29 people in the state and sickened hundreds. Experts say it isn’t enough."

"The Environmental Protection Agency proposed Friday to weaken air pollution limits on a chemical used to sterilize medical equipment, a move that would reverse a Biden administration finding of high cancer risks at manufacturing facilities that use ethylene oxide to clean medical devices like catheters and syringes."

"The Trump administration on Thursday filed a new lawsuit against California over its strict limits on planet-warming pollution from cars, arguing that the restrictions would unlawfully force a rapid transition to electric vehicles in the state."

"The Trump administration has tapped an eye doctor with no background in air pollution science to advise the Environmental Protection Agency on what levels of air pollutants are safe to breathe."

"Air pollution from coal-fired power plants spiked in 2025, a striking reversal of long-term progress in air quality as the Trump administration boosted coal use." "EPA data shows pollution bumps that are among the largest in decades, just as the agency rolls back rules cracking down on pollution from coal-fired power plants."

"A federal judge ruled Tuesday that the Trump administration’s efforts to shut down New York’s congestion pricing program are unlawful."