"Los Angeles is showing its age, and city officials don’t have plans for financing the facelift."

"A program being launched off the California coast this summer will tackle two environmental problems posed by thousands of cargo ships that ferry goods to and from the ports of Los Angeles and Long Beach each year: Not only are the hulking vessels major sources of air pollution, their shipping lanes overlap with a prime feeding area for migrating blue whales off Santa Barbara."

"NICE, Calif. — An abandoned recreational vehicle was the first clue. In this hamlet two hours north of San Francisco and barely a mile from the largest natural freshwater lake in the state, the trailer sat on a hill, hidden from the main drag. Behind it rose a flimsy fence, tall enough to shield its bounty: 50 marijuana plants in hastily constructed wooden boxes."

"A tropical rain storm that caused deadly floods and destructive mudslides in the San Gabriel Mountains on Sunday was the kind of weather event seen only once about every 500 years, the National Weather Service said."

"More than half of California is now under the most severe level of drought for the first time since the federal government began issuing regular drought reports in the late 1990s, according to new data released Thursday."

"The state's plan to build a pair of 35-mile tunnels under the delta would cause the extinction of winter-run chinook salmon, steep declines in dozens of other species and devastate water quality in San Francisco Bay, an environmental group said Wednesday."

"SAN FRANCISCO — Pacific Gas & Electric was charged Tuesday with lying to regulators in connection with a fatal pipeline explosion that killed eight people and leveled a suburban Northern California neighborhood in 2010."

"California Governor Jerry Brown and Mexican environmental officials signed a pact on Monday aimed at reducing greenhouse gas emissions, an agreement that could eventually expand the market for carbon credits."

"Last week saw California adopt mandatory restrictions on civilian water use. People caught watering their lawns to the point of runoff, hosing off sidewalks or driveways or washing cars without a shut-off nozzle can face fines of up to $500 a day. ... That message, however, has not, it seems, reached Nestlé Waters North America, makers of a variety of bottled waters, including Arrowhead brand."

"The California National Guard on Monday joined more than a dozen other agencies to help the Yurok tribe combat rampant marijuana grows that have threatened the reservation's water supply, harmed its salmon and interfered with cultural ceremonies."