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As hopes faded for a strong climate deal, Secretary of State Hillary Clinton announced Thursday the U.S. would join others in raising $100 billion a year by 2020 to help poorer nations cope with global warming.

California's top firefighting official says it's going to be a rough fire season. Ruben Grijalva of the California Department of Forestry says Southern California firefighters are in the midst of a dr

Our nation prides itself on the power of the people. Many political philosophers believe that it is public opinion that drives democracy and that ordinary citizens can actually influence the decisions that ultimately shape their lives and their destinies. However, in California, especially in semi-arid Southern California, this may not entirely hold true. Here, it is the control of water that has shaped the destiny of the land and its inhabitants.

Gardening experts Nan Sterman and Tom Piergrossi fill us in on winter plantings, pruning, and everyone's favorite: worms.

Over the past several days, we've brought you stories about drinking water contaminated with nitrates. They're byproducts of fertilizer, dairies, and septic tanks, and they affect wells serving millions of Californians. In the final installment of our series, we learn about some of the challenges facing cities and towns trying to clean up the problem.

The American delegation to a U.N. conference on climate control tries to defend U.S. reluctance to commit to global policies on climate change, describing instead how it's countering global warming. Experts call for a new pact stemming the destructive rise in world temperatures.

Imagine a San Diego that is hotter, much hotter, and drier. A place where wildfires and drought make living a daily challenge. The scenario is not science fiction, but one of many possibilities result

There's a new pest attacking oak trees in San Diego County. Officials are concerned because the insect has infested up to 70-percent of the oak trees in Alpine and Julian. KPBS Reporter Ed Joyce has d

A major supplier of water to San Diego voted to hike rates. The increase means water will cost slightly more next year in San Diego County. KPBS Reporter Ed Joyce has details.

Dangerous fire weather is predicted for the next several days in Southern California. And San Diego, federal and state fire officials are taking no chances. KPBS Environmental Reporter Ed Joyce has de