Find out how many planet earths it takes to support your lifestyle at www.earthday.net.
First you create an avatar, which will represent you throughout the quiz.
Answer a few questions, such as how often do you eat meat each week; how many miles you drive per week; your average electricity bill, etc.
After taking my quiz, if every person lived like me, we'd need 5.4 earths to survive.
After pledging to reduce the amount of animal products I eat, buy fewer packaged products and only purchase EnergyStar appliances, my footprint was reduced to 4.4.
To take the quiz, click here.