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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.

Wildflowers on a grass hill.
Wildflower Wonderland Wildflowers bloom at Steamboat Lake State Park near Clark, Colorado on July 7, 2024. © Rory Doyle

Our Conservation Priorities in Colorado

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

A misty forest of pine trees.
Mountainfilm A Documentary Film Festival: May 22 – 26, 2025; Telluride, Colorado © Erika Nortemann/TNC
Aerial view of dense tropical forest canopy.

Feature

Nature Is Common Ground—and Common Sense

The Nature Conservancy remains committed to creating a world where everyone thrives alongside nature for generations to come, protecting and preserving nature.

Read the Story

Video

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.
Several people sit and squat in a grassy area next to a river and pull weeds.
Spring Stewardship Day 2022 The Greenway Foundation's 2022 Spring South Platte Stewardship Day in Denver. TNC Colorado is a sponsor. © Lauren Berent Burgess

Volunteer

South Platte Stewardship Day | May 31

Every small act—trash removal, trail repair, painting—helps build a better planet for nature and people. Join The Greenway Foundation for the Spring South Platte Stewardship Day to clean up parks in Denver (& register with TNC to receive merch)!

Volunteer with TNC
The cover of an annual report with a forest photo.
Year in Review

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

DOWNLOAD

Our Conservation Priorities Across the West

Discover how we're collaborating with our TNC colleagues and partners across the western U.S. and Canada to advance conservation on a transformative scale.

Colorado River Basin

The Nature Conservancy is working to protect the Colorado River Basin, which provides water, food, recreation and energy for more than 40 million people.

Western Dry Forests and Fire Program

The Nature Conservancy is working across the western U.S. to catalyze forest restoration on a transformative scale.

Sagebrush Sea

The Nature Conservancy is working across Colorado, Utah, Wyoming, Montana, Idaho, Nevada and Oregon to protect this iconic western landscape, one of the largest natural systems in North America.

Southern High Plains

Across five states and 71 million acres, TNC is conserving the lands and waters of this region to boost climate resilience, preserve biodiversity and support sustainable agricultural communities.

Climate and Renewable Energy

To accelerate a conservation-minded transition away from fossil fuels, TNC envisions the development of a more flexible and responsive western energy grid based on renewable energy sources shared across state boundaries and deployed to avoid impacts to biodiversity-rich landscapes.

Sustainable Fisheries—Bristol Bay, Alaska

Alaska’s Bristol Bay is the world’s most important wild salmon nursery. The watershed feeds wildlife, a historic commercial fishery, local and Indigenous communities, and people across the planet. Yet this globally important salmon run is in danger, and we may be facing our last chance to save it.

Emerald Edge

The Nature Conservancy is supporting conservation across 100 million acres from Alaska, through British Columbia, and to Washington.

Natural Climate Solutions

By protecting, better managing and restoring nature, Canada can reduce its greenhouse gas emissions by up to 78 Mt CO2e annually in 2030.

Indigenous-Led Conservation

We believe that the increased authority and capacity of Indigenous peoples to steward their lands and waters is critical for the future of healthy ecosystems and communities.

Local Stories in Colorado

Trees on a vast ranch with mountains in the background.

Huerfano River Canyon Ranch Acquired by The Nature Conservancy

A river flowing through a valley with snow on the side banks.

Maybell Project Restores Hope for Irrigators and Endangered Fish

A woman looking through binoculars into a canyon.

Women in Conservation

A group of people building a shed out of wood beams.

Sustainability at TNC's Preserves in Colorado

A horse walking through a grass field with wildflowers and blue mountains in the background.

Nature Podcasts for All

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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