Association ou organisation à but non lucratif
Dernière mise à jour : 5 déc. 2010 15:34:42
The purposes of Sierra Club are to explore, enjoy, and protect the wild places of the Earth;
to practice and promote the responsible use of the Earth's ecosystems and resources; to educate and enlist
humanity to protect and restore the quality of the natural and human environment; and to use all lawful means to carry out these objectives.