With a new storm expected to pummel the Bay Area on Wednesday, we'll get an update on California's drought. Using tree rings as evidence, scientists say it's the worst drought to hit the state in 1,200 years. We'll also hear about a new federal report that says California's drought isn't caused by man-made climate change, but rather by natural weather patterns.
Study: Climate Change Not Responsible for California Drought
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Craig Miller, science editor for KQED
Ellen Hanak, senior fellow and leader of the water policy research team at the Public Policy Institute of California