Http://www.thesolutionsjournal.com/node/771
Geoengineering: The Inescapable Truth of Getting to 350
ByChuck Greene, Bruce Monger, Mark Huntley
Mind Blowing article on bio engineering efforts to bring our current levels of CO2 down from dangerously high 388 ppm to 350 ppm. Discusses bio char and controversial plans to inject water vapor into the stratosphere to mimic volcanic activity.

