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
5,847 people have reduced CO2 emissions by 146.05 tons by completing this challenge so far.
Latest Activity
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34 minutes ago kassie joined STEM Academy - Roosevelt Middle School -
about 1 hour ago imliving4christ took a challenge: Feel The Hov
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about 1 hour ago imliving4christ took a challenge: Beverage Independence
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about 1 hour ago imliving4christ took a challenge: Lowrider
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about 2 hours ago Mama Fulks took a challenge: Get Off the Bottle
30-Day Leaderboard
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1
10.44 tons
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2
9.81 tons
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3
5.53 tons
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4
5.01 tons
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5
3.23 tons
