Thinking the Unthinkable

An overwhelming majority of climatologists believe there will be significant changes in climate during the next century. Although the rate and magnitude of this change are uncertain, it could happen very rapidly. In August 1987, a working group of fifty scientists and humanists from Russia, Eastern and Western Europe, the United States, and Canada gathered in Calgary to focus their attention on the impact upon civilization of sudden climate change. One of the more revealing aspects of climate ch