Too often we judge people by the color of their gowns, and not the content of their character. Aside from acting, or modeling or baby-birding their children, stars today have a cadre of causes near and dear to their famous hearts. As our month of eco awareness rolls along the river, we highlight some fabulous women who are doing their part -- and then some -- to preserve nature. These ten ladies prove you can help the environment and still look damn good doing it.