For Earth Day, Take the Poll
April 22, 2009
Geo-engineering, or using technology to purposely cool the climate, is officially on the radar. President Obama's science adviser John Holdren is talking about, the National Academy of Sciences is meeting about it, DARPA is considering funding it, British Parliament is discussing it, as are a host of international scientists. So what are the various types of projects being considered? And would they mitigate rising temps or just make matters worse? We explore these questions and more on this Wide Angle: Engineering Earth. Or you can watch a short video that summarizes the concepts. Once you have some understanding, take the survey and let us know what you think.
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