Slate Magazine's "Carbon Diet"

Slate magazine and Treehugger have teamed up to put forth a green challenge: lose 20% of your CO2 weight in 8 weeks. They have a quiz to get you started and then all kinds of fun tips to get your diet underway! They have a few prizes as well, think of how great it would be if all Americans shed 20% of thier CO2! Let's get moving guys!

via Treehugger