"The Closer" star, who has been photographed toting eco-friendly, reusable shopping bags, is also a member of the Natural Resources Defense Council and a supporter of the socially conscious social network SixDegrees.org, started by husband Kevin Bacon in partnership with Network for Good.

The famed author of the Harry Potter series received the Order of the Forest award from Canadian group Markets Initiative for insisting that 16 publishers worldwide print her novels on recycled paper that didn't come from ancient or endangered forests.

Activist, actress and wife to folk singer Ben Harper, Dern is a spokesperson and advisory board member for Healthy Child Healthy World. She and actress Amy Brenneman launched the Blue Butterfly Campaign to reduce environmental toxins in the home.

Longtime eco-activist, award-winning actress and mother of eco-conscious actress Gwyneth Paltrow (and earth-friendly son-in-law Chris Martin), Danner has advocated recycling and conservation for three decades. She helped implement and retain curbside recycling in both Santa Monica, Calif., and New York City. She also holds spots on the EMA's board of environmental activists and board of directors, drives an electric car and has solar panels in her home.

Brinkley lends her supermodel smile and her time to many causes, including PSAs benefiting children, the environment and breast cancer awareness. She is also an active supporter of several organizations including the Cousteau Society, The Wilderness Society, Stop Global Warming and Standing for Truth About Radiation (STAR).