Air

"Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region of the U.S. at a time when people want to be enjoying lakes, trails and the great outdoors."

"With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback about affordability and costs." 

"Analysis shows EPA rollbacks of the HON rule would put overburdened communities at risk and benefit chemical plants that frequently violate their permits."

"xAI’s gas turbines get official approval from Memphis, Tennessee, even as civil rights groups prepare to sue over alleged Clean Air Act violations."

"The binding climate treaty has been a success, earning the support of businesses and Republicans. It could be in peril under President Donald Trump."

"The spacecraft, MethaneSAT, was just a year into its mission to provide a clearer picture of planet-warming emissions from oil and gas sites." "For nearly two weeks, however, the mission’s controllers have been unable to get in contact with the satellite. It has lost power, they said, and most likely cannot be recovered."

"Monitoring air quality is key to forecasting and assessing wildfire smoke. Right now, that’s a coordinated effort between federal, state, tribal, and local entities. Federally approved and privately operated monitors feed data into tools like the Environmental Protection Agency’s AirNow tool, and help forecast air quality and issue public health guidance. But air quality scientists worry that EPA budget and job cuts will make it difficult to get air quality information to people, endangering public health."

"A POLITICO analysis identified 794 planned clean electricity generation facilities — mostly in GOP districts — that could lose subsidies under the House bill. The Senate is debating changes."

"Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air pollution even higher." 

"The Supreme Court on Wednesday sided with two Republican states on a venue question that could hamper future EPA efforts to combat dangerous air pollution that crosses state lines."