NHPR: Outside/In: Is Geoengineering Crazy Enough To Work, Or Just Plain Crazy?
"Ever since the threat of climate change was first made public, scientists have offered the possibility of a get-out-of-jail-free card: geoengineering. Reducing emissions is hard, so why not just engineer the Earth's atmosphere more to our liking? Decades later, the science of geoengineering is still in its infancy, but a growing number of researchers are trying to change that. Should they?"