Take challenges, see the impact, and team with others to save energy and prevent climate change.
Current Featured Challenge
Two Cool
Featured on July 23, 2010 78 Comments
3,929 people have reduced CO2 emissions by 10.55 tons by completing this challenge so far.
Latest Activity
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about 3 hours ago chudic took a challenge: Give Your Computer a Rest -
about 3 hours ago GreenYodaGirl77 took a challenge: Cold Then Fold -
about 3 hours ago GreenYodaGirl77 took a challenge: Green Ham and Cheese
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about 3 hours ago GreenYodaGirl77 took a challenge: Work Your Wheelies
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about 3 hours ago GreenYodaGirl77 took a challenge: Right Now, Less Cow
30-Day Leaderboard
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1
11.22 tons
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2
9.84 tons
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3
8.85 tons
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4
5.5 tons
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5
5.39 tons
