"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."

"On Thursday, the U.S. Environmental Protection Agency ordered rail operator Norfolk Southern to begin testing for dioxins."

"The Environmental Protection Agency is expected to propose restrictions on harmful “forever chemicals” in drinking water after finding they are dangerous in amounts so small as to be undetectable. But experts say removing them will cost billions, a burden that will fall hardest on small communities with few resources."

"President Biden on Thursday threw his support behind a bipartisan bill that would tighten federal oversight of trains carrying hazardous materials in the aftermath of a derailment in East Palestine, Ohio, that spilled toxic chemicals."

"The US Consumer Product Safety Commission has voted to seek public input on gas stoves, a potential first step in regulating the appliances."

"A settlement between environmental groups and the U.S. Environmental Protection Agency could for the first time impose regulations on hundreds of coal ash sites nationwide that are not covered by 2015 federal coal ash rules."

"Railroads including the one whose train derailed and caught fire in Ohio would have to follow new safety rules under bipartisan legislation introduced Wednesday by the state’s two U.S. senators, even as regulators plan to step up inspections on tracks carrying the most hazardous materials."

"The train derailment in East Palestine, Ohio, is renewing concerns about the safety of moving natural gas by rail and whether existing federal rules governing the industry should be changed."

"Federal officials sued a Louisiana chemical maker on Tuesday, alleging that it presents an unacceptable cancer risk to the nearby majority-Black community and demanding cuts in toxic emissions."