volcano

How Flying Saucers Could Save the World

Mar 19, 2007
It may sound like science fiction, but researchers are working on a number of bizarre emergency plans to fight global warming, including a mock volcano that spews reflective dust and a solar shade made up of a trillion flying saucers. Scientists have been hesitant to discuss such "geoengineering" schemes, but they may be our only hope if humans fail to curb emissions or the crisis turns out to be worse than predicted.