Adam Sobel : U.S. 's steps against drought are a preview for rest of California and world . Tying climate change to weather does n't rest on single extreme event , Sobel says . The big picture should spur us to prepare for new climates by fixing infrastructure , he says .
Adam Sobel : California 's steps against drought are a preview for rest of U.S. and world . Tying climate change to weather does n't rest on single extreme event , Sobel says . The big picture should spur us to prepare for new climates by fixing infrastructure , he says .