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: Greenhouse Effect May Expand Habitable Planet RosterA new study suggests that Gliese 581 d (farthest planet, center) may still be warm enough to have liquid water—even though it is not in an ideal orbit—because of greenhouse gas warming. Illustration courtesy European Organisation for Astronomical Research in the Southern Hemisphere
|
ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
|
ADVERTISEMENT
|