4:30ET: Jamais Cascio will be joining us today arguing an idea many considered science fiction until very recently. Cascio says that cutting greenhouse-gas emissions is no longer enough to deal with global warming. He advocates a form of geoengineering called temperature management, which moderates heat by blocking or reflecting a small part of the sunlight hitting the Earth. Is this the answer to Global Warming?
Thursday, June 18, 2009
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