"A state appeals court has upheld California’s cleanup standards for a cancer-causing chemical that was added to pesticides and has polluted groundwater in the Central Valley, rejecting challenges by manufacturers that may have to pay the costs."

"During a typical spring, the silver young salmon swimming in long tanks at the Nimbus Fish Hatchery east of Sacramento would be released into the American River and then make their way out to the Pacific Ocean to grow to adulthood."

"California Governor Gavin Newsom on Monday issued an expanded “drought emergency proclamation” for 41 of the state’s 58 counties, citing above-average temperatures and dry conditions for April and May."

"Warmer temperatures would boost pest populations, causing farmers to use more insecticides that, with more frequent and severe storms, turn into toxic runoff."

"Southern California air quality officials have adopted first-of-their-kind rules on warehouse distribution centers in an effort to cut truck pollution, increase electrification and reduce health risks in communities hit hardest by lung-damaging diesel exhaust."

"A new report puts into focus for the first time the scope of the state’s drinking-water problems and what it will take to fix them."

"California Sen. Alex Padilla on Monday proposed a vast expansion of government protection for public lands and rivers that he said would fight climate change and safeguard natural treasures for generations to come."

"The Biden administration on Monday said it has approved a major solar energy project in the California desert that will be capable of powering nearly 90,000 homes."

"California lawmakers are urging federal officials and Congress to act after researchers mapped what appeared to be more than 25,000 barrels dumped in an area off the coast of Los Angeles known for DDT contamination."