<Tr> <Th> Website </Th> <Td> www.sierraclub.org </Td> </Tr> <P> The Sierra Club is an environmental organization in the United States . It was founded on May 28, 1892, in San Francisco, California, by the Scottish - American preservationist John Muir, who became its first president . The Sierra Club primarily operates in the United States; an affiliated organization, Sierra Club Canada, operates in Canada and deals exclusively with Canadian issues . </P> <P> Traditionally associated with the progressive movement, the club was one of the first large - scale environmental preservation organizations in the world, and currently engages in lobbying politicians to promote environmentalist policies . Recent focuses of the club include promoting sustainable energy, mitigating global warming, and opposing the use of coal . The club is known for its political endorsements, which are often sought after by candidates in local elections; it generally supports liberal and progressive candidates in elections . </P> <P> The Sierra Club is organized on both a national and local level . The club is divided into large chapters representing large geographic areas, some of which have tens of thousands of members . These chapters are divided into regional groups, and special interest sections, committees, and task forces . While much activity is coordinated at a local level, the Club is a unified organization; decisions made at the national level take precedent . </P>

What is the purpose of the sierra club