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birdman (Carbonrally)

birdman (Carbonrally) lives in Somerville, MA and is the leader of wolfpack.
birdman (Carbonrally) has reduced1,540.6 lbs of CO2
Challenges taken
73
Users rallied
Challenges suggested

I’m concerned that our CO2 emissions could have rough consequences for the next generation, and that time is running out to address the problem. That said, I’m optimistic that we can do something about it. The past year has seen a remarkable increase in awareness, corporate initiatives, technical innovation, and policy. To win, we’ll need to couple all of these advances with personal action on a massive scale.


A few friends and I created Carbonrally in late 2007. I have a dozen years of experience in corporate strategy and new product development in the telecoms industry, and advanced degrees in business and environmental economics from Duke University. My favorite job these days is being the dad of two little kids. My time outdoors with them is motivating me to do something about climate change.


I’ve realized it’s time to RALLY UP. I hope you will join me.


Jason Karas
Founder – Carbonrally

Active challenges

Get Off the Bottle

Lasts 7 days
54 lbs
  • 08/06/2008 this challenge lasts until... 4 days until complete 0.9 lbs
  • 06/19/2008 3 lbs
  • 05/18/2008 3 lbs
  • 05/07/2008 3 lbs
  • 04/23/2008 3 lbs

Right Now, Less Cow

Lasts 7 days
139 lbs
  • 08/04/2008 this challenge lasts until... 2 days until complete 7 lbs
  • 07/24/2008 13 lbs
  • 07/08/2008 13 lbs
  • 06/24/2008 13 lbs
  • 06/03/2008 13 lbs

Two Cool

Lasts 7 days
8 lbs
  • 08/04/2008 this challenge lasts until... 2 days until complete 3 lbs
  • 07/25/2008 5 lbs
265 lbs
  • 08/04/2008 this challenge lasts until... 23 days until complete 7 lbs
  • 06/19/2008 51 lbs
  • 05/15/2008 51 lbs
  • 03/27/2008 51 lbs
  • 02/25/2008 51 lbs

Power Shower

Lasts 28 days
47 lbs
  • 08/04/2008 this challenge lasts until... 23 days until complete 2 lbs
  • 07/03/2008 15 lbs
  • 05/15/2008 15 lbs
  • 04/16/2008 15 lbs

Stop The Idle Threat

Lasts 28 days
66 lbs
  • 07/26/2008 this challenge lasts until... 15 days until complete 12 lbs
  • 06/19/2008 27 lbs
  • 05/20/2008 27 lbs

Lowrider

Lasts 28 days
115 lbs
  • 07/13/2008 this challenge lasts until... 1 day until complete 115 lbs

Air-out Your Fridge

Lasts 168 days
73 lbs
  • 05/18/2008 this challenge lasts until... 2 months until complete 73 lbs

Change a Few Bulbs

Lasts 1820 days
446 lbs
  • 12/28/2007 this challenge lasts until... over 4 years until complete 446 lbs

Leave Your Car At Home

Lasts 7 days
120 lbs

Bring Your Own Bags

Lasts 28 days
48 lbs

Top-off The Tires

Lasts 28 days
145 lbs

De-cup Your Decaf

Lasts 7 days
8 lbs