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United States

Colorado

For nearly 60 years, TNC has been working in Colorado to help ensure a livable climate​, healthy communities​ and thriving nature.

Sandhill cranes flying high past snow capped mountains.
Sandhill Crane Migration Sandhill cranes in flight at TNC's Medano-Zapata Ranch Preserve in the San Luis Valley, Colorado. © Hannah Floyd
A field of purple and orange wildflowers.
Wildflower Wonderland Wildflowers bloom at Steamboat Lake State Park near Clark, Colorado on July 7, 2024. © Rory Doyle

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Incredible Wildlife of the Colorado River Basin

Wildlife of the Colorado River Basin The Nature Conservancy has identified more than 150 species that depend on the Colorado River Basin for their survival. To sustain this river in the face of climate change, we must find solutions that work for both the people and the wildlife that depend on this iconic river.

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Year in Review

Read our 2024 Year in Review to discover how we're advancing conservation in Colorado and beyond.

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Our Conservation Priorities in Colorado

Discover our local conservation priorities here in Colorado as we help to accomplish TNC's ambitious 2030 goals.

A vast field of scrubbrush extends toward sand dunes and mountains in the distance.
Medano-Zapata Ranch Sand dunes from Big Spring Creek at Medano-Zapata Ranch in Colorado, United States, North America. © Harold E. Malde