Raving insanity from Steven Chu, Obama's energy secretary

California farms, vineyards in peril from warming, U.S. energy secretary warns - Los Angeles Times

In a worst case, Chu said, up to 90% of the Sierra snowpack could disappear, all but eliminating a natural storage system for water vital to agriculture.

"I don't think the American public has gripped in its gut what could happen," he said. "We're looking at a scenario where there's no more agriculture in California." And, he added, "I don't actually see how they can keep their cities going" either.