A very cool online Flash "game" created by American Public Media, Consumer Consequences, takes you through the various areas of life which affect the environment: your home; the energy you use in your home; the waste you generate at home; transportation; food; and shopping and at the end you can see how your lifestyle affects the earth, in terms of the number of "Earth's" that would be required to allow all 6.6 billion people to live just like you do. Very interesting. Here is my final score: