The Sierra Club is an American environmental organization with chapters in all 50 U.S. states, Washington D.C., and Puerto Rico. The club was founded in 1892, in San Francisco, by preservationist John
Theodore Roosevelt and John Muir in Yosemite National Park, c. 1906
Sierra Club members practicing a comedy skit for later social entertainment, c. 1948
Green River canyon trip at Dinosaur National Monument's Bull Park in 1953.
Nature hike at Point Lobos State Reserve in 1972.
Earthjustice is a nonprofit public interest organization based in the United States dedicated to litigating environmental issues. Headquartered in San Francisco, they have an international program, a
Senator Stabenow meets with members of Earthjustice, 2016.