A Critical Look at Geoengineering Against Climate Change http://www.ted.com/talks/david_keith_s_surprising_ideas_on_climate_change Links to an external site. Think about what he mentions: What is geoengineering? What are potential methods he outlines? Answer his last question: Should we do serious research on this topic? Should we have a national research program that looks at this? How would we prevent one country from taking unilateral action and implementing a geoengineered project that may have global effects? Now read this article: http://www.bbc.com/news/science-environment-30197085 Links to an external site. Are there moral hazards associated with these projects? Do they outweigh the potential gains from altering a worsening climate situation