The Sierra Club, including the Piasa Palisades Group, is a non-profit, member-supported, public interest organization that seeks to:

• Explore, enjoy, and protect the wild places of the earth;
• Practice and promote the responsible use of the earth's ecosystems and resources; 
• Educate and enlist humanity to protect and restore the quality of the natural and human environment;
• Use all lawful means to carry out these objectives.