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gregpc
gregpc lives in Natick, MA.
gregpc has reduced140.6 lbs of CO2
Active challenges
This user has no active challenges.
Past challenges
Expand all challengesLeave Your Car At Home
Lasts 7 days
60 lbs
Top-off The Tires
Lasts 28 days
29 lbs
Give Your Computer a Rest
Lasts 28 days
51 lbs