| Cincinnati Chapter of the Audobon Society: Contains the history of the society, a calendar of events, and membership details. |
| Cincinnati Chapter of the Izaak Walton League of America: Dedicated to protecting our nation's soil, air, woods, waters and wildlife. Provides history, links, and contact information. |
| Imago: A nonprofit ecological organization that works to create ways people can live in harmony with the environment. They run a 16-acre nature preserve and offer programs for school and scout groups as well as various activities for the public. |
| Keep Cincinnati Beautiful: Offers a variety of community-based programs which strive to meet the changing needs of Cincinnati neighborhoods. Focusing on a community's assets, programs are selected and implemented by neighborhood organizations. |
| Mill Creek Restoration Project: A nonprofit organization focused on cleaning up water quality, establishing greenways, and providing environmental education in a 28-mile long urban river corridor in southwest Ohio. |
| Northside Greenspace Inc: An all-volunteer, nonprofit organization founded to identify, preserve and restore natural areas in Northside and surrounding communities. |
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