Who do you want to see receive $20,000 to put their Earth-saving idea into action? Check out the ten Green Effect finalists, and until July 20 you can vote—up to once a day—for your favorite idea!
Monday, July 6, 2009 |
Monday, July 6, 2009 |
Photo: Birth of an Earthlike Planet Spied By SpitzerA second ring of icy dust farther out from the star could eventually be a source of water for the newborn planet. Image courtesy NASA/JPL-Caltech/JHUAPL
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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