Osage Group of the Sierra Club
- Includes newsletter and information about meetings, events and news.
- http://missouri.sierraclub.org/osage/

Chouteau Grotto
- Information about conservation of local caves, meetings, trips, membership and research resources.
- http://chouteau.missouri.org/

Columbia Audubon Society
- Includes contact information and upcoming events.
- http://columbia-audubon.missouri.org/

Smart Growth Coalition
- Information about membership, news and events.
- http://smartgrowth.missouri.org/

Friends of Rock Bridge State Park
- Contains information about the park and those who are helping to maintain and preserve it.
- http://rockbridge.missouri.org/

Earth Day Coalition
- Information about upcoming earth day events and activities.
- http://columbiaearthday.org/

Central Missouri Astronomical Association
- Information about activities, events, photos and a newsletter.
- http://cmaa.missouri.edu/

Greenbelt Coalition
- Information about officers, members, mission and activities.
- http://greenbelt.missouri.org/