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davidc
davidc lives in Los Altos, CA.
davidc has reduced1,784.2 lbs of CO2
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Active challenges
Change a Few Bulbs
Lasts 1820 days
1,738 lbs
-
10/31/2007
over 2 years until complete
1,738 lbs
Past challenges
Expand all challengesGet Off the Bottle
Lasts 7 days
3 lbs
Leave Your Car At Home
Challenge closed
30 lbs
Right Now, Less Cow
Lasts 7 days
13 lbs
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