"California's San Joaquin Valley has lost 60 million acre-feet of groundwater since 1961, according to a new federal study. ... The Central Valley is America's largest farming region; it's also the single-largest zone of groundwater pumping."

"In the verdant farmland surrounding Monterey Bay, a national marine sanctuary and one of the world's biological jewels, scorched-earth strategies are being imposed on hundreds of thousands of acres in the quest for an antiseptic field of greens. And the scheme is about to go national."

This spring's run-up in oil prices is hard to explain on the basis of market fundamentals. It seems to be the result of speculation in the commodity markets.

"The Environmental Protection Agency, complying with a court order, will develop a rule to guarantee companies that mine everything from copper to uranium will pay for needed environmental cleanup, not taxpayers."

It took a lawsuit by residents of Sunburst, Montana, to start cleanup of an underground spill of gasoline that took place 50 years earlier.

"An L.A. judge's dismissal of Nicaraguan banana workers' litigation against Dole puts numerous related cases in jeopardy."

After many false starts, GM may be getting into position to produce a viable electric car.

Marine biologist Jane Lubchenco now heads one of the U.S. government’s key agencies researching climate change -- the National Oceanic and Atmospheric Administration. In an interview with Yale Environment 360, Lubchenco discusses the central role her agency is playing in understanding the twin threats of global warming and ocean acidification.

"A fast-growing kelp from the Far East has spread along the California coast from Los Angeles to San Francisco Bay, worrying marine scientists and outpacing eradication efforts."

Scientists are learning that whales are smarter, and more like humans, than they ever suspected.