Hayden Panettiere is one of many stars who live a green lifestyle and fight for environmental causes. For her part, the "Heroes" hottie has campaigned against whale hunting in Norway, Japan, and elsewhere. Paul Morigi/WireImage.com - October 26, 2008
Celebs Save the Planet
Check out pics of Hayden Panettiere, Brad Pitt, and more stars who are doing their part.