As the whale migration season reaches its peak, new concerns arise over naval training exercises off the California coast.
A new approach to small-scale water "banking" could relieve stress on both the water supply and levees in California's San Joaquin Valley.
The Exploratorium, a San Francisco icon, will soon reopen as a stunning, new, energy efficient building on the city's Embarcadero.
San Jose is trying to lead the country in clean tech innovation. So how is the city doing?
They're out there… lurking in Earth's magnetic fields and damaging any satellite in their path.
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.
They may sound like faulty plumbing, but male northern elephant seals have a unique communication system that's all about reputation.
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.
It's no secret that concussions are endemic in American football at every level, from peewees to the pros, but little is known about the hits that cause them. Stanford University is searching for answers.
The controversial drilling technique known as hydraulic fracturing has created an oil and gas boom around the country – and that’s left state governments grappling with how to regulate it. Now, California is wading into that fight.
From the Sacramento-San Joaquin Delta to killer whales, bicycles to cheese — it's been another year of diverse storytelling from the KQED Science and Environment team. Here's a round-up of the top 10 stories shared on our website (based on page views) that you've enjoyed in 2012.
The new oil-and-gas boom that’s sweeping the country may be coming to California. With it comes the controversy over the drilling technique known as hydraulic fracturing – or fracking.