"The Sierra Club has the grassroots power to win with 3.5 million members and supporters, 64 chapters, and more than 400 local groups. Our successes range from protecting millions of acres of wilderness to helping pass the Clean Air Act, the Clean Water Act, and the Endangered Species Act. ...Our chapter is the largest grassroots environmental organization in the state of Georgia, and our members and supporters are made up of more than 75,000 of your friends and neighbors. We have a robust outings program and have active committees working on forest and coastal protection, transit expansion, and clean energy. Inspired by nature, we work together to protect our communities and the planet."