John Muir summary

Yosemite National Park, scenic mountain region in east-central California, U.S. It is situated about 140 miles (225 km) east of the city of San Francisco and some 100 miles (160 km) southeast of Sacramento. Devils Postpile National Monument lies about 15 miles (25 km) to the east, and Kings Canyon

Environmentalism, political and ethical movement that seeks to improve and protect the quality of the natural environment through changes to environmentally harmful human activities; through the adoption of forms of political, economic, and social organization that are thought to be necessary for,

Conservation, study of the loss of Earth’s biological diversity and the ways this loss can be prevented. Biological diversity, or biodiversity, is the variety of life either in a particular place or on the entire planet Earth, including its ecosystems, species, populations, and genes. Conservation