The Sierra Club is one of the leading non-governmental organizations that influence science, technology, and ethics relations from the environmental perspective.

Origins

The oldest environmental organization in the United States, the Sierra Club was founded in 1892 by a Scotsman, John Muir (1838–1914), who did not become a U.S. citizen until 1903. By 1892, however, he was already known to presidents and writers (including Ralph Waldo Emerson (1803–1882) as one of the country's most passionate advocates for the protection of wilderness.

Muir arrived in San Francisco, California, from Wisconsin in 1868 and headed to Yosemite Valley in the Sierra Nevada Mountains, which the avid outdoorsman had read about in a magazine. He spent the next seven years there, exploring, collecting plants, writing about his discoveries, and urging others to visit the high country. Those writings helped convince President Benjamin Harrison to create the Yosemite National Park in 1890.

In 1892 Muir became the...