Geoengineering Could Be Essential to Reducing the Risk of Climate Change

Using technology to cool the planet may be the only way to deal with the greenhouse gases already in the atmosphere, argues scientist David Keith. http://www.technologyreview.com/news/506256/geoengineering-could-be-essential-to-reducing-the-risk-of-climate-change/?utm_campaign=newsletters&utm_source=newsletter-daily-all&utm_medium=email&utm_content=20121026