Izaak Walton League, Minnesota Division
- To conserve, maintain, protect and restore the soil, forest, water, and other natural resources of the United States and other lands; to promote means and opportunities for the education of the public with respect to such resources and their enjoyment an
- http://www.minnesotaikes.org/

Minnesota Ducks Unlimited
- Conserves, restores, and manages wetlands and associated habitats for North America's waterfowl. Includes events, membership, habitat projects, volunteer/donation programs and contact information.
- http://www.mnducks.org/

Minnesota Conservation Corps
- Sponsored by the DNR. Training and education program for youth and young adults. Conservation work and community service projects throughout Minnesota.
- http://www.dnr.state.mn.us/mcc/index.html

Redwood-Cottonwood Rivers Control Area
- Non-regulatory organization that works to enhance and protect the Redwood and Cottonwood Rivers in southwest Minnesota. Site includes journals, technical information, news, events, images, and details of how to get involved.
- http://www.rcrca.com/

Minnesota Public Interest Research Group
- Nonprofit organization founded, funded and directed by college and university students. An advocacy group on issues of the environment, consumers and social and economic rights.
- http://www.mpirg.org/

Freshwater Society
- A non-profit membership organization based in Minnesota dedicated to promoting the protection and rational management of all freshwater resources through public education and programs.
- http://www.freshwater.org/

Clean Up the River Environment
- CURE is a non-profit membership organization working to restore the Minnesota River watershed. News, projects and events, contact information.
- http://www.curemnriver.org/