Search Carbonrally
MC has reduced1.65 tons of CO2
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Active challenges
Change a Few Bulbs
Lasts 1820 days
1.53 tons
-
12/07/2007
10 months until complete
1.53 tons
Past challenges
Expand all challengesLeave Your Car At Home
Challenge closed
30 lbs
Get Off the Bottle
Lasts 7 days
3 lbs
Bring Your Own Bags
Lasts 28 days
18 lbs
Top-off The Tires
Lasts 28 days
87 lbs
Give Your Computer a Rest
Lasts 28 days
51 lbs
Big Game Blackout
Challenge closed
1 lb
De-cup Your Decaf
Lasts 7 days
1 lb
Power Shower
Lasts 28 days
15 lbs
Paper Cut
Lasts 28 days
7 lbs
Beverage Independence
Lasts 28 days
24 lbs
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