"Proposed EPA methane limits may help curtail 7,500 yearly deaths from oil and gas production sites."

"When Mississippi environmental regulators checked the emissions of a large wood pellet mill operating a few miles from the Louisiana line, they found pollution levels two times higher than the legal limit."

"Some of the largest manufacturers of heavy trucks and engines in the country have agreed to accept a California plan to ban sales of new diesel big rigs by 2036 under a deal aimed in part at thwarting potential litigation and maintaining a single national standard for truck pollution rules."

"In lawsuits targeting the coal operator Arch, residents contend that mining activity has disrupted their lives and emitted a gas that threatens their safety and the planet."

"Lawmakers in Michigan have long fought tough pollution controls. But the toll of flooding, lost crops and damage to the Great Lakes appears to be changing minds."

"The Labor Department on Friday issued a proposed rule on exposure to silica dust, a compound linked to incurable respiratory issues and particularly affecting miners."

"Some companies are turning to technology to illuminate potential hazards in indoor air."

"As smoke from wildfires crosses state and international borders more frequently, tracking and studying it is increasingly important for shaping air quality and health measures around the world."

"The Environmental Protection Agency (EPA) said Tuesday it did not find discrimination by the state of Louisiana against Black residents who face high levels of air pollution, closing a probe into actions by state departments."