Boulder has a reputation as one of the most liberal cities in the state of Colorado, and the people who live there tend to be outdoor enthusiasts who are passionate about preserving the environment. The National Wildlife Federation, The Dairy Center for the Arts, the International Mountain Bicycling Association, the Center for ReSource Conservation and many more are all based in the Boulder area.

Other examples of area nonprofit organizations include Paradox Sports, which provides inspiration, opportunities and adaptive equipment to the disabled community, empowering their pursuit of a life of excellence through human-powered outdoor sports; and Thorne Ecological Institute whose mission is to build Earth stewardship by connecting kids to nature through hands-on environmental education experiences. Adventures in Preservation offers one and two-week adventures in preservation where volunteers restore buildings and renew communities.

National nonprofits and foundations can also be found in the Boulder area, such as Habitat for Humanity, United Way, The Boys and Girls Clubs of America, the Audobon Society, and more.

Foundations include the University of Colorado Foundation, the I Have a Dream Foundation, the Golden West Foundation and the Living Arts Foundation among many others. The largest charitable foundation in Boulder is the Anthony H. Kruse Foundation. Established in 2006 by entrepreneur and philanthropist George B. Boedecker, Jr. and funded through an endowment from his friend and business partner, Anthony H. Kruse, the foundation strives to provide critical resources to nonprofit organizations that assist in empowering youth, their families and their community to realize their highest potential. The primary aim of the foundation is to enhance educational, health, wellness and youth development opportunities for children worldwide.

With so many nonprofits, foundations and charities in Boulder, there are numerous volunteer opportunities that offer a variety of valuable and rewarding experiences.