"The Supreme Court has dealt another blow to a major EPA air pollution control initiative, freezing implementation of the agency’s latest crackdown on smog-forming emissions that cross state lines."

"In heat waves, chemicals like formaldehyde and ozone can form more readily in the air, according to researchers driving mobile labs in New York City this week."

"Warmer temperatures may be catalyzing a climb in vaporized chemical contaminants across Los Angeles, a new study has found."

"The chemical plume from the February 2023 train derailment in East Palestine, Ohio, spread air pollutants to at least 16 states, according to research published Wednesday in the journal Environmental Research Letters."

"Nearly 2,000 children die every day from health problems linked to air pollution, which is now the second biggest risk factor for early death worldwide, a report said Wednesday."

"Black communities are disproportionately impacted by Big Sugar's agricultural practices".

"Nitrogen fertilisers, manure and other agricultural sources drove almost three-quarters of human-caused nitrous oxide emissions in recent years."

"The ethanol industry has billed itself as a green alternative to oil and gas, but new research finds biofuel refineries are releasing toxic chemicals in farm communities across the nation."

"Researchers using high-tech air monitoring equipment rolled through an industrialized stretch of southeast Louisiana in mobile labs and found levels of a carcinogen in concentrations as much as 20 times higher than previously estimated, according to a paper published Tuesday in the journal Environmental Science & Technology."