Coastal cities inundated, farming regions parched, ocean currents disrupted, tropical diseases spreading, glaciers melting—an artificial greenhouse effect could generate countless tribulations.
If Earth's climate changes meaningfully—and the National Academy of Sciences, previously skeptical, said in 2005 that signs of climate change have become significant—there could be broad-based disruption of the global economy unparalleled by any event other than World War II.
Economic change means winners as well as losers. Huge sums will be made and lost if the global climate changes. Everyone wonders what warming might do to the environment—but what might it do to the global distribution of money and power?