The Intergovernmental Panel on Climate Change recently released its Fifth Assessment Report, presenting the latest accumulation of scientific evidence about the threat of global warming and calling for urgent actions to meet the threat. Earlier reports have pointed in the same directions, but the political, economic, and simple human obstacles to facing and coping with the dangers of global warming remain today as they were twenty-five years ago on the eve of the Intergovernmental Panel’s First Assessment Report. People in the United States and across the globe are no more likely to reduce greenhouse gas emissions dramatically in 2014 or soon thereafter than they were in 1990. Modern political and economic systems are not geared to cope with this sort of challenge. And there is an enduring collective action problem: no single individual or organization, not even a few working together, can execute necessary solutions. Most must learn to act together, or the game is over—the causes and dire effects of increasing global warming simply will not be handled in time. more...