Greenpeace
Greenpeace is an international environmental organization founded in 1971 with the aim of protecting the…
The Sierra Club
The Sierra Club is one of the oldest and most influential environmental organizations in the…
Sylvia Earle
Sylvia Earle is an American marine biologist, oceanographer, and environmentalist, widely regarded as one of the…
Greta Thunberg
Greta Thunberg (born 2003) is a Swedish climate activist who gained global recognition for her efforts…
Ansel Adams
Ansel Adams (1902–1984) was an iconic American photographer and environmentalist, best known for his black-and-white landscape…
Edward Abbey
Edward Abbey (1927–1989) was an American author, essayist, and environmental activist known for his passionate defense…
Wangari Maathai
Wangari Maathai (1940–2011) was a Kenyan environmental and political activist, and the first African woman to…
Aldo Leopold
Aldo Leopold (1887–1948) was an American ecologist, forester, and environmentalist widely regarded as one of the…
John Muir
John Muir (1838–1914) was a Scottish-American naturalist, environmentalist, and one of the most influential figures in…
Rachel Carson
Rachel Carson (1907–1964) was a pioneering American marine biologist, conservationist, and author who is often credited…