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davidc

davidc lives in Los altos, CA.
davidc has reduced818.2 lbs of CO2
Challenges taken
4
Users rallied
–
Challenges suggested
1
8votes

Active challenges

Change a Few Bulbs

Lasts 1820 days
772 lbs
  • 10/31/2007 this challenge lasts until... over 3 years until complete 772 lbs