Just as salmon are being returned to the San Joaquin River, the extreme drought is bringing political heat to one of the most ambitious environmental restoration efforts in the state.
The East Bay city of Pittsburg is considering a new oil terminal to supply crude to Bay Area refineries, but some locals are concerned about the safety of the project.
California has had its share of "megadroughts." This isn't one of them...yet.
David Perlman, the San Francisco Chronicle's science editor has been on the job for more than a half-century. He covered the launch of the space age and the unfolding of the computer age, and his career has spanned Pluto's entire life as a planet, from its discovery in 1930 to its demotion to sub-planet.
A small beach in Half Moon Bay has become ground zero for a drawn-out legal battle between locals and one Silicon Valley billionaire who would like to keep the public out.
Despite its deserved reputation for climate leadership, California will have to hustle to make its own long-range emissions goals.
49ers fans may miss the cold weather at Candlestick Park, but can look forward to solar panels, bicycle parking and grass watered with recycled water. Levi’s Stadium in Santa Clara is being touted as the greenest stadium in the NFL.
Governor Jerry Brown's Bay Delta Conservation Plan is now open for public comment. State officials say the water supply for 25 million Californians from the Bay Area to San Diego is at stake, as is the health of the largest estuary on the West Coast. But before it can move forward, the project needs money and buy-in from wary water district managers and skeptical federal regulators.
San Mateo County faces up to its high-water future--and gets some tips from one of climate adaptation's go-to guys.
Comet ISON may not have survived its close brush with the Sun, but astronomers are still going to "study the heck out of it," says Foothill College astronomy professor Andrew Fraknoi.
After the massive destruction of the 1971 Sylmar earthquake, state lawmakers passed a law to prevent new buildings from being developed on top of active earthquake faults. But that requires knowing where they are. Mapping earthquake faults is both time-consuming and costly, and the state has a long way to go.
People who fight and study fire generally agree that one of the best tools for preventing massive wildfires is prescribed burning: intentionally setting smaller fires before the big ones hit. But there are major challenges to fighting fire with fire.
The crisis of post-traumatic stress disorder -- both for newly returned vets and Vietnam vets who have lived with PTSD for decades -- is forcing the US military to explore some unorthodox treatments, including "compassion meditation."
Drivers hit thousands of animals every year on California freeways, often killing the wildlife, and sometimes killing or injuring the human, too. Several western states have built fencing and other infrastructure to help wildlife cross freeways safely, and critics say California could be doing a lot more of the same.
The city of Watsonville has an expensive problem on its hands: toxic algae stirred up from the bottom of Pinto Lake makes the lake poisonous to humans and deadly to birds, fish, and even the otters in Monterey Bay, where the lake water eventually empties into the sea. Knowing how to clean it is one thing; paying for it is another.
The Rim Fire is calling attention to a big problem: California’s forests are overloaded with fuel after a century of putting out fires. There’s a new push to use that fuel to make renewable energy, but it's sparked a heated debate.