"The leader of the state Senate said Tuesday that he will push to reverse efforts by the Southern California air quality board to adopt pollution rules friendlier to industry, saying swift action is needed to prevent a rollback of environmental gains."

The sewage that flows from Southern California may contain deadly, antibiotic-resistant bacteria. Instead of removing them, the sewage collection and treatment system may offer a "luxury hotel" where the superbugs can proliferate before sewage is released to the Pacific.

"Hundreds of open pits containing toxic waste produced by oil and gas drilling are threatening groundwater in California, and regulators have failed to protect drinking and irrigation water supplies from the danger, an environmental watchdog group concludes in a report set to be released Monday."

"It was like a sequel to a bad movie. One month after I watched the California Coastal Commission whack the executive whose career was devoted to preserving and assuring equal access to the state's greatest treasure, I went to Diamond Bar on Friday to watch another massacre. This time the target was a man with more than three decades of experience fighting smog and improving public health in a region with some of the dirtiest air in the nation."

"Government scientists say there’s a simple explanation for the surge in starving sea lion pups along the Southern California coast: Their mothers can’t find enough nutritious food."

"State officials formally declared the Aliso Canyon gas leak capped Thursday, but uncertainty remains about the future of the facility and the residents who live around it."

"Federal regulators say corrosion on the outside of an oil pipeline was the cause of a major crude spill on the Santa Barbara coast last year."

"The three-month natural gas leak that chased thousands of Los Angeles residents from their homes has been a major ecological disaster, sickening neighbors and pumping a potent greenhouse gas into the sky. But every day, pipelines across California leak tons of the same gas — methane — into the air."

"President Obama designated three new national monuments in the California desert Thursday, expanding federal protection to 1.8 million acres of landscapes that have retained their natural beauty despite decades of heavy mining, cattle ranching and off-roading."