"Particles in bushfire smoke can activate molecules that destroy the ozone layer, according to new research that suggests future ozone recovery may be delayed by increasingly intense and frequent fires."

"Contaminated soil from the site around the East Palestine train wreck in Ohio is being sent to a nearby incinerator with a history of clean air violations, raising fears that the chemicals being removed from the ground will be redistributed across the region."

"Chronic coastal contamination from the Tijuana River can end up in the atmosphere as “sea spray aerosol” — spreading far beyond the San Diego County beaches where it has long polluted the water, a new study has found."

"High Plains residents are used to wind and dust, but an ongoing drought and recent tropical-storm-level winds have brought some epic dust storms."

"The Biden administration on Friday restored the legal foundation of an Obama-era regulation governing mercury, a pollutant from power plants that can damage brain development in babies and cause heart disease in adults."

"A visit to East Palestine from the head of the E.P.A. and a White House pledge to lend more support were met with skepticism in the community."

"The Bureau of Land Management ignored requests for a public hearing on the proposed rules for venting and flaring methane on public and tribal lands, hindering community members’ efforts to reduce the impacts of gas releases."