Reduce global warming by taking quick & easy challenges.
Compete with others in your area and around the world.

View Some Real Challenges » Take a challenge

Challenges are simple actions you can take to prevent climate change. A new Featured Challenge is published every few weeks.

View Rally Impact Map » See your impact

5,920 Rallyers have already reduced over 306.93 tons.


The Impact Map shows the people and action in your town.

View Leading Cities & Teams » Team Up and Compete

Over 350 teams of company colleagues, friends, and school-mates are competing now to lead the community in CO2 reduction!

Newsflash: OTEP fans are rocking the Rally with a massive team. See blog post .

Accept This Challenge »
Featured Challenge

Recent Activity

decay789_78550 decay789_78550 (2 lbs) accepted "Right Now, Less Cow", reducing CO2 by 1 lbs so far.
decay789_78550 decay789_78550 (2 lbs) accepted "Power Shower", reducing CO2 by 0 lbs so far.
incubus61636_37811 incubus61636_37811 (6 lbs) accepted "Give Your Computer a Rest", reducing CO2 by 1 lbs so far.
incubus61636_37811 incubus61636_37811 (6 lbs) accepted "Stop The Idle Threat", reducing CO2 by 0 lbs so far.
thaovy thaovy (0 lbs) accepted "Beverage Independence", reducing CO2 by 0 lbs so far.