Take challenges, see the impact, and team with others to save energy and prevent climate change.
Current Featured Challenge
Lonely Light Love
Featured on March 20, 2011 33 Comments
1,860 people have reduced CO2 emissions by 7.47 tons by completing this challenge so far.
Latest Activity
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about 3 hours ago rallyer53637 took a challenge: De-cup Your Decaf -
about 5 hours ago yugimumoto1 took a challenge: Feel The Hov -
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about 5 hours ago jonespowned joined The Challengers
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about 5 hours ago Frumpshkin723 took a challenge: Right Now, Less Cow
30-Day Leaderboard
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1
13.4 tons
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2
12.67 tons
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3
8.88 tons
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4
5.74 tons
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5
4.38 tons
