First the freeze, now a crippling water shortage confront citrus growers in the Central Valley.
A key indicator of California's water prospects is likely to peak out at about one-third of normal.
The latest report from the U.N.'s Intergovernmental Panel on Climate Change focuses on impacts from climate change, both current and looming, and recommendations for how to adapt.
More and more crude oil is being transported into California by rail lines, and questions about safety are prompting local governments and environmentalists to take action.
A surprising discovery in woolly mammoth fossils recovered from the North Sea off the coast of the Netherlands suggests that inbreeding and harsh conditions plagued the ice age giants near the end of their reign on Earth.
Earlier this year, managers at a hatchery near Vancouver, Canada said they lost three years' worth of scallops -- 10 million animals -- to acidic waters. Ocean acidification is worse off the West Coast than anywhere else in North America.
Starfish on the West Coast have been dying in startling numbers. Some observers have documented sea star bodies turning to mush, others described the creatures disintegrating. It's "sea star wasting disease," and scientists don't know what causes it.
Elizabeth Kolbert’s book “The Sixth Extinction: An Unnatural History” centers around two premises: that humans are witnessing a very high rate of species extinction and that humans are causing much of it.
State Senator Darrell Steinberg is proposing a carbon tax on gasoline that would put a price on the pollution that causes climate change. The plan would also dismantle a key piece of California's existing climate law.
Soils may be better primed for the next big downpour.
U.S. could make substantial reductions in greenhouse gas emissions by stopping methane leaks from natural gas pipelines, says a new Stanford study.
California has had its share of "megadroughts." This isn't one of them...yet.
And the clock is ticking toward April 1, when snow accumulation usually peaks.
Find out how biodiversity below ground influences life above ground. ...Read More
A new book explores how melting ice yields new shipping channels, oil resources — and profits. ...Read More
Governor Jerry Brown's emergency drought declaration allows regulators to relax some water quality standards, as the state tries to balance the needs of wildlife and people.
Utilities find that nothing drives water savings quite like giving you a peek at your neighbors' habits.
Environmental groups are generally lauding Governor Jerry Brown's new budget, which includes an outline for spending revenue from the state's carbon auctions.
A tag-team of all-star research aircraft, including a robot, set out next week on a quest to explore a great atmospheric engine in the West Pacific with a powerful influence on global climate.