View of a mountain during sunset with a desert bighorn sheep standing in the foreground.
Grand Pose A Desert Big Horn Sheep stands along the Hermit Trail at sunrise on the South Rim of Grand Canyon National Park, Arizona. © Ryan McGinley/TNC Photo Contest 2022

Preserving Nature in the Southwest

For more than 50 years, The Nature Conservancy in Arizona has partnered with communities, businesses and state leadership to achieve conservation solutions that sustain Arizona’s freshwater, forests, grasslands, wildlife and rich biodiversity. From the high mountain forests, down our flowing rivers, to our booming cities, we continue to innovate and address new challenges. Explore our program areas below.

Conservation Beyond Borders

Knowledge Sharing from Arizona to Africa (4:43) Recently, a team of science and conservation leaders from TNC traveled to collaborate with colleagues in South Africa on some of the many shared challenges they’re working to solve.

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2024 Year in Review

Discover our 2024 accomplishments and how they will serve as a strong foundation for the ambitious goals we have set for years to come.

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View of bright, yellow wildflowers in the sunlight with paddle cactus behind them.
Black Mesa Wildflowers blooming at Black Mesa in Mazatazal Mountains. These mountains in the Sonoran Desert are located in Tonto National Forest northeast of Phoenix, Arizona. © Paul Gill Photo