The short list of climate proxy species gains a new member in the critical Arctic Ocean region, a crusty red alga named Clathromorphum compactum.
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.
Without adopting more aggressive tactics, the state will not meet its 2050 goal to reduce emissions by 80 percent from 1990 levels.
California Governor Jerry Brown promises, "this will spread," as three states and one province agree on climate goals -- but no mechanism to enforce them.
The eight states that account for about a quarter of the U.S. car market band together to get more electric cars and other "ZEVs" on the road.
Now that California's legislative session is now over, here's a roundup of the environmental bills that passed -- and a review of some big ones that didn't.
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.
Ferns and new shoots from oak trees are already appearing in the ashes of the Rim Fire in Yosemite National Park. But fire ecologists say the long-term recovery of the forest could be hampered if California’s dry weather continues
A new climate chronology for California has come from one of our quintessential trees, the blue oak.
By the end of the century, the Bay Area's landscape could look more like Southern California's, raising tough questions for land managers trying to preserve parks and open space.
The one-bedroom, one-bath cottage is their entry in the Department of Energy’s biennial Solar Decathlon, in which students from around the world compete to design the most affordable green dwelling.
A longstanding experimental forest lies perilously close to the wildfire raging near Yosemite. Scientists are holding their breath, hoping the voracious Rim Fire doesn't set back years of research into...fire management, among other things.
In California, polling shows that most people think climate change is already having an effect. But scientists are concerned that politicians are not acting fast enough. Now a UC Berkeley professor is urging other scientists to speak out.
Shasta Lake is the largest reservoir in California, and government officials are completing plans to make it even larger by raising the height of the dam. But the expansion has sparked intense debates among local residents, Central Valley farmers, environmentalists, tribal groups and developers.
The world's biggest trees are experiencing a growth spurt, and scientists think climate change may be playing a part in it.
Valero wants to start using trains to bring crude oil to its Bay Area refinery. But the project is raising concerns about congestion, safety and air pollution in the East Bay city of Benicia – and the connection it may have to Canada’s controversial tar sands.
A new report by Stanford University scientists finds that the earth is warming much faster than thought. What might be even more surprising is the speed of the change.