Air

"Republican-led states on Tuesday asked the Supreme Court to block the Biden administration’s effort to cut planet-warming emissions from the power sector."

"Coal remains the largest source of power globally despite its decline in the U.S."

"Reducing nitrous oxide emissions from U.S. chemical plants could reduce greenhouse gas emissions at little cost. Similar plants in China offer a “far bigger prize.”"

"The sun looked orange as it shined through a thick blanket of wildfire smoke on Tuesday across a large area of North America, including in Denver, and the smoke could spread even farther in the coming days."

"The sun appeared orange and red through a layer of haze on Tuesday morning as a large blanket of wildfire smoke covered part of the central United States and Canada.

"Research showed truck-related releases of nitrogen dioxide, which can cause asthma, concentrated around some 150,000 warehouses nationwide."

"Chasing tornadoes is far from glamorous, and the thrill of spotting them is far from guaranteed. Success usually requires expertise and long hours in pursuit."

"Though the regs are expected to halve air releases of toxic metals, the tribe has voiced concern about increased pollution to meet demand for electric vehicles."

"The federal government announced a $241.5 million settlement with Marathon Oil on Thursday for alleged air quality violations at the company’s oil and gas operations on the Fort Berthold Indian Reservation in North Dakota."

"General Motors will pay nearly $146 million in penalties to the federal government because 5.9 million of its older vehicles do not comply with emissions and fuel economy standards."