Take challenges, see the impact, and team with others to save energy and prevent climate change.
Current Featured Challenge
Give Your Computer a Rest
Featured on January 29, 2010 84 Comments
5,849 people have reduced CO2 emissions by 146.31 tons by completing this challenge so far.
Latest Activity
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about 8 hours ago MattSydney took a challenge: Give Your Computer a Rest -
about 8 hours ago MattSydney took a challenge: Paper Cut
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about 8 hours ago radda RADDA RADDA RADDA commented on the team: Team Green Day (JCS) Humboldt County -
about 8 hours ago jenn xD took a challenge: Bust a Gust -
about 8 hours ago RADDA RADDA RADDA took a challenge: Curb Your Hunger
30-Day Leaderboard
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1
10.43 tons
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2
9.92 tons
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3
5.53 tons
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4
5.01 tons
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5
3.24 tons
