The Sierra Club's members are more than 750,000 of your friends and neighbors. Inspired by nature, we work together to protect our communities and the planet. The Club is America's oldest, largest and most influential grassroots environmental organization.
Our Mission Statement: 1. Explore, enjoy and protect the wild places of the earth. 2. Practice and promote the responsible use of the earth's ecosystems and resources. 3. Educate and enlist humanity to protect and restore the quality of the natural and human environment. 4. Use all lawful means to carry out these objectives.