How to Play

1. Click on one of the multiple choice answers that you think is correct.
2. If you get it right, you get a harder question. If you get it wrong you get an easier question.
3. For each question that you answer correct 100 Grams of CO2 will be removed from the global environment through a donation to one of our Project Partners.
4. Compete with friends to see who can offset the greatest amount of CO2 from the environment.