Reid A. Bryson is one of the world’s most astute, productive, and best-known climatologists. His work has been appeared or been reported in the New York Times, Fortune, Science, Time, Newsweek, the Wall Street Journal, National Geographic, and numerous other national and international publications. Bryson is professor of meteorology and geography at the University of Wisconsin–Madison, and director of the Institute for Environmental Studies, which he helped to create. Thomas J. Murray is a professional writer who specializes in the presentation of scientific information to nonscientists. He has served with the Institute for Environmental Studies and the College of Engineering at the University of Wisconsin–Madison, and has been a consultant to a National Academy of Sciences committee.