Maybe we can have our fossil fuels and burn 'em too. These scientists have come up with a plan to end global warming. One idea: A 600,000-square-mile space mirror
David Keith never expected to get a summons from the White House. But in September 2001, officials with the President's Climate Change Technology Program invited him and more than two dozen other scientists to participate in a roundtable discussion called "Response Options to Rapid or Severe Climate Change." While administration officials were insisting in public that there was no firm proof that the planet was warming, they were quietly exploring potential ways to turn down the heat.