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 40 Comments
2,381 people have reduced CO2 emissions by 9.62 tons by completing this challenge so far.
Latest Activity
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35 minutes ago Positive Change took a challenge: Give Your Computer a Rest -
about 1 hour ago mshen took a challenge: Cash-in Your Closet -
about 1 hour ago mshen took a challenge: Feel The Hov
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about 3 hours ago Rebecca took a challenge: Give Your Computer a Rest
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about 4 hours ago NERDBIRD3000.ssm took a challenge: Get Off the Bottle
30-Day Leaderboard
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1
13.33 tons
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2
12.38 tons
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3
8.77 tons
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4
5.71 tons
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5
4.79 tons
