Overview The Sierra Club is the largest and oldest influential grassroots environmental organization. It was established in 1892 by John Muir (Scottish preservationist and conservationist). John Muir was the first president of the club.
Overview The Sierra Club is the largest and oldest influential grassroots environmental organization. It was established in 1892 by John Muir (Scottish preservationist and conservationist). John Muir was the first president of the club.