"Residents of Imperial Beach in southern San Diego County filed a lawsuit Tuesday against the operators of an international wastewater treatment plant — alleging that the site has failed to contain a cross-border crisis that has long contaminated their community."

"The Supreme Court on Wednesday appeared prepared to force EPA to get more specific on how much pollution can be discharged into the nation’s waters — although at least one member of the conservative majority seemed open to allowing the agency to issue generic requirements under specific circumstances."

"More than 4,500 square miles of ocean will soon be protected by the federal government off the Central California coast. The Biden administration is creating a new national marine sanctuary, which will be the third largest in the U.S. The sanctuary is also the first to be led by Indigenous people."

"Every year, navel orangeworms eat through roughly 2% of California’s almonds before they can make it to grocery store shelves. With climate change threatening to make the situation worse, researchers are hoping to sterilize millions of moths a day with radiation and drop them from airplanes."

"During a visit to the Jordan Downs public housing complex in Watts on Saturday morning, EPA Administrator Michael Regan said the agency is working with state and federal partners to address elevated lead levels in the community’s drinking water and pollution from scrap metal recycler S&W Atlas Iron & Metal Co."

"Urban populations in Southern Californian are facing chronic exposure to toxic airborne “plasticizer” compounds — two of which have already been banned from children’s products, a new study has found."

"Climate change is exacerbating the risk of potentially dangerous mosquito-borne diseases in California. Dengue, the world’s most common mosquito-borne illness, is not transmitted directly from insect to insect."

"Gov. Gavin Newsom signed a bipartisan bill Friday making it a crime to farm octopuses for human consumption in California."