Six years after the EPA's new arsenic rule for drinking water went into effect, poor communities in the San Joaquin Valley—who can’t afford the costs of complying with the stricter standard—face the highest risk of exposure to unsafe arsenic levels.
Nissan is the latest automaker to open a research center in Silicon Valley to explore the future of the car.
For the first time in the Sierra Club's 120-year history, its national head was arrested for an act of civil disobedience. It signals a new, more aggressive stance for the organization spawned by John Muir.
If you visit the slice of Central California serenity known as Pinnacles, you might notice the sign out front now says, “National Park.”
They may sound like faulty plumbing, but male northern elephant seals have a unique communication system that's all about reputation.
Coyotes, reviled for preying on sheep and goats, are the most targeted predator in the U.S. This week, hunters in the tiny Modoc County town of Adin will compete in a contest to kill the most coyotes to protect their livestock–even though research shows that killing coyotes results in higher reproductive rates.
UC Berkeley's University Herbarium boasts one of the largest and oldest collections of seaweed in the United States. Herbarium curator Kathy Ann Miller is leading a massive project to preserve digitally nearly 80,000 specimens of west coast seaweed.
Under a strategy known as "managed retreat," San Francisco gets ready to let the ocean reclaim a cherished stretch of Pacific coastline.
In November, California voters overwhelmingly passed Proposition 39, closing a corporate tax loophole and using the savings to create the largest state energy efficiency initiative in the country. Now the debate over how to use the money begins.
Hydropower provides a good chunk of California's electricity. It relies on a balance of heavy snow in the winter and heavy runoff in the spring. Climate change threatens to throw that balance out of whack, a problem the government isn't examining.
Greet the New Year with a hike at the Sibley Volcanic Preserve in the East Bay Regional Park District.
Late fall rains signal the start of mushroom season, which can last until spring in the Bay Area. Though only experts should forage and eat wild mushrooms (following park rules about harvesting), anyone can appreciate the rich diversity of these ephemeral fruits of the forest.
One of the giants of climate science talks about extreme weather…and trashes California's plan to cut emissions.