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Uploaded on Dec 21, 2011
For physicians, the window of opportunity for intervening successfully has become part of their training; they know how fleeting an opportunity can be. So here's a "second opinion" about the climate diagnosis, the prognosis if untreated, and what treatments might actually fix the climate problem—rather than merely delaying civilization's collapse by a few decades. William H. Calvin is a professor at the University of Washington School of Medicine and the author of GLOBAL FEVER.