The Why, How, and Maybe Not of Geoengineering

Silver Lining's executive direction Kelly Wanser explains why rising temperatures are behind the push to geoengineer the world's climate, the most plausible technologies, and why we need a lot more research to find out if it's a good idea, and if so, how to do it on a global scale. Hosted by IEEE Spectrum editor Eliza Strickland.