Colorado River Basin
Spanning 1,500 miles of river across seven U.S. states and two countries, we're working to protect this iconic lifeline of the West.
Colorado
For 60 years, TNC has been working in Colorado to help ensure a livable climate, healthy communities and thriving nature.
Contact Us
- Phone: 303-444-2950
- Email: co_info@tnc.org
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The Nature Conservancy is Proud to Endorse Prop 137
Funding wildfire risk reduction, water and land conservation, outdoor recreation and access to nature is the best way to protect the Colorado we love. Vote YES on Prop 137!
Vote YES: Protect CO's Land & Water
Funding wildfire risk reduction, water and land conservation, outdoor recreation and access to nature is the best way to protect the Colorado we love.
Myth-Busting Common Misconceptions
Yes on Prop 137 issues a comprehensive fact check. Here's what the measure does and does not call for.
Leaders Across CO Endorse Prop 137
AG Phil Weiser, state legislative and local leaders join growing coalition of leaders supporting the statewide measure.
60 Years in Colorado
The Nature Conservancy in Colorado celebrates 60 years.
© TNC
Oktoberforest and Tree Trivia
October 21, 2026 - October 25, 2026
Did you know beer is 95% water? Join The Nature Conservancy in Colorado's 13ers Young Professionals at your local brewery to celebrate the connection between healthy forests and great beer.
Our Conservation Priorities in Colorado
Discover our local conservation priorities here in Colorado as we help to accomplish TNC's ambitious 2030 goals.
© Sean Tomlinson/TNC Photo Contest 2019
Resilient and Connected Landscapes
It all started in 1966, protecting TNC’s Mexican Cut Preserve in Crested Butte, CO. We continue to achieve innovative, large-scale land protection, in Colorado and beyond, that enables biodiversity to thrive and supports Tribally led conservation.
Learn more about our resilient and connected landscape conservation through the Southern High Plains Initiative. TNC and partners are working across five U.S. states to increase the pace and scale of grassland protection.
© John Rudy/TNC Photo Contest 2021
Thriving Forests & Watersheds
Our forests need us now more than ever. We are working to build resilience, reconnection and improved management of critical forests and watersheds in Colorado.
To amplify the impact of our efforts here in Colorado, we’re collaborating across 11 western U.S. states to catalyze forest restoration on a transformative scale. Dive into our Western Dry Forests program to learn more about this collaboration.
© Rory Doyle
Healthy Rivers
Here in Colorado, water systems are the heart of what keeps our nature thriving. Through our conservation work, we’re improving the climate resilience of natural stream systems for both aquatic and riparian species and the people who depend on them for economic, cultural or spiritual well-being.
Much of our water work connects to the Colorado River Basin, spanning five U.S. states and two countries. Discover how we are accelerating conservation of this hard-working river that supports the needs of more than 40 million people.
© Joanna Kulesza (courtesy: Jack's Solar Garden)
Conservation-Aligned Energy Transition
In Colorado, we are working with key partners and stakeholders to develop state guidelines, frameworks and policies that will prioritize and accelerate renewable energy deployment that aligns with conservation and community goals.
© Kevin Mohatt
Healthy Communities
As we advance our conservation goals, we are also balancing the needs of both people and nature. Throughout communities in Colorado, we’re working to advance strategic solutions that advance the rights and priorities of Tribal Nations and Indigenous communities, improve the ability of both urban and rural communities to adapt to climate change, and contribute to place-based economic opportunities.
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.
Local Stories in Colorado
Grand Canyon
Colorado River and Grand Canyon.
©
Eloise Kendy
Research Shows Western Voters Strongly Oppose Selling Public Lands
New bipartisan polling commissioned by The Nature Conservancy shows overwhelming support for protecting public lands across the West.
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A State Policy Roadmap to a Faster Clean Energy Buildout
A new report from The Nature Conservancy offers a roadmap for state policymakers to accelerate the clean energy transition.
DownloadSupport Conservation in Colorado
Colorado’s challenges require far-sighted solutions that combine science and creativity. By working together, we can chart Colorado’s future and inspire people to take action.
Medano-Zapata Ranch
Sand dunes from Big Spring Creek at Medano-Zapata Ranch in Colorado.
© Harold E. Malde