This fully revised second edition features updated data, analysis, and peer-reviewed science related to understanding recent weather-related disasters in the United States and around the world. The updated volume also offers an inside look at the author's most recent experiences on the front lines of the bitter climate debates as he has sought to share consensus scientific understandings with the public and policymakers. He concludes with a proposal for a pragmatic way forward on climate policy, one that recognizes the importance of both evidence and politics