Actor Ed Begley Jr. might not be one of the "Sexiest Men Alive" like Matt, but he's every bit as committed to the cause. The "Pineapple Express" star lives in a solar-powered home and even sells his own natural household cleanser. Dario Cantatore/GettyImages.com - March 20, 2010
Celebs Save the Planet
Check out pics of Hayden Panettiere, Brad Pitt, and more stars who are doing their part.