"Californians’ eagerness to battle global warming seems to be cooling a bit: The latest survey on the state’s environmental attitudes, released on Wednesday, showed that 47 percent consider the threat of global warming very serious, a decline of seven percentage points from two years ago."

"State officials who lead California's war on global warming often travel abroad on trips supported by the major greenhouse gas polluters they regulate, a Bee investigation has found. Industry lobbyists and executives routinely join them."

"Sewage spills that have contributed to water pollution in San Francisco Bay will be reduced under two settlements reached last week between the nonprofit San Francisco Baykeeper and the Town of Hillsborough and the neighborhood of Burlingame Hills."

A massive sweep by drug enforcement agents in Fresno County offered new evidence of how illegal marijuana plantations on public lands are scarring the Sierra landscape.

"Tops and tails are becoming much more than garbage at Gills Onions, an onion processor in Oxnard, Calif. Today marks the unveiling of the company's onion-powered electrical system, a first-of-its-kind initiative to turn onion waste into energy."

"A controversial alternative to the ozone-depleting pesticide methyl bromide could be in use in Pajaro Valley strawberry fields next year."

"California's San Joaquin Valley has lost 60 million acre-feet of groundwater since 1961, according to a new federal study. ... The Central Valley is America's largest farming region; it's also the single-largest zone of groundwater pumping."

"A fast-growing kelp from the Far East has spread along the California coast from Los Angeles to San Francisco Bay, worrying marine scientists and outpacing eradication efforts."