Which conservation organization was founded in 1892 by John Muir and is credited with helping establish Yosemite National Park?

Test your knowledge about the history of influential nature and conservation brands that have shaped how we interact with the natural world. These organizations have pioneered conservation efforts, nature education, and sustainable practices that continue to impact our relationship with Earth's ecosystems. How well do you know the origins of these nature-focused organizations?

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The Sierra Club
National Audubon Society
The Nature Conservancy
World Wildlife Fund