Your donations keep CUSP crews and volunteers on the ground protecting the water quality and ecological health of the South Platte watershed. CUSP leverages contributions as matching funds for grants and on-the-ground work. Your investment is maximized to protect the Upper South Platte watershed.

The mission of The Nature Conservancy is to conserve the lands and waters on which all life depends.

Taking on Big Tobacco, Big Marijuana, and Big Vape is not easy, and GASP cannot match their deep pockets. But GASP can make a difference with your help. The best way you can help GASP advocate for everyone's right to breathe smoke-free air is by making a tax-deductible contribution today.

Prairie wildlife is stuck between a rock and a hard place. With the crush of sprawl in urban areas and the dominance of agriculture in rural ones, many native creatures have few places to turn. SPLT's solution: buy the land, protect habitat for native flora and fauna, and let the prairie heal.

IES is an independent non-profit organization that delivers scientific solutions to improve our health and environment. Partnering with Coloradoans in the science of environmental improvement, IES programs reduce air and water pollution, making Colorado a healthier place to live.

We need your help to defend clean air, pure water & healthy lands in the San Juan Basin. As a regional member-based organization, we rely on individuals like you to support our work fighting dirty energy, protecting wild places, & preserving clean water here in Southwest CO and northwest NM.

With the natural world as our synagogue, Adventure Rabbi creates meaningful and relevant Judaism. We specialize in expedition-style learning for children and teens as well as outdoor retreat experiences for adults. We also offer online learning, to reduce our carbon footprint and increase access.

Since 1985, Rocky Mountain Conservancy has raised and invested more than $33 million to conserve Rocky Mountain National Park. Your critical support advances stewardship, environmental education, the building and maintaining many of the park's best-loved trails, land protection and so much more.

CBMBA works to improve trails, conserve landscapes, and build community through volunteer trail work days, a trail/stewardship crew, group rides, and other events. Help us care for the places we love so that everyone has the chance to build meaningful connections with trails, nature, and community.

Please support the planning, building and maintaining of Durango area trails on City, County, BLM, Forest Service and private lands (including the Colorado Trail sections 28.2 and 28.3). Your support also helps educate trail users and encourages connectivity on road, path and trail.

CCEF is a grassroots organization focused on educating & mobilizing people to protect Colorado's air, land, water, and people. Donations received through Colorado Gives Day support the Becca Strelitz Internship Program & general operations for programs like voter registration and Latino organizing.

The Friends of Dinosaur Ridge is known for our world-famous dinosaur tracks and world-class education programs. Our two main campaigns for donations are Education and Fossil Preservation. Don't let us go extinct!

Colorado's most precious natural resources, water and soil, need understanding and conserving more than ever. As we strive across the state to create educated community members, the San Luis Valley also wants to engage our children (and future voting community members) with our natural resources.

Protect the places you love! Leave No Trace Center for Outdoor Ethics is dedicated to using education, research and outreach to establish a nationwide Leave No Trace outdoor code of ethic.

You can help restore natural places in Colorado by supporting WRV today! Every $1 contributed is turned into $12.17-worth of restoration and community building. WRV completes 100+ restoration projects annually, engaging 1,000+ volunteers, and 500+ diverse youth in service learning.

We believe it is important that people of all ages have meaningful experiences in nature. Wild Bear Nature Center is open 355 days per year, a free place to connect with others in nature, provides thousands of people with hands-on education each year and preserved land to build a permanent home.