Top 10 greenest celebs

7. Edward Norton

Norton’s been a real life Bruce Banner, smashing greenhouse gases with his hydrogen car and handing out emission-free electricity with his Solar Neighbors program. As a producer and star of "The Incredible Hulk," Norton worked to get the first ever Green Seal in the closing credits—meaning that production ran a little more sustainable than most and didn’t smack Mother Earth quite as hard in the face this time. But, if the Hulk shows us anything, it’s that going green can be super hot—in an agro-mutanty kind of way.