| Central Illinois Water Gardeners: Meet monthly to discuss ponds, water gardens, goldfish, koi, water plants and building and designing ponds. |
| Earth Share of Illinois: Promotes charitable giving in government and corporate employee payroll deduction workplace giving campaigns to financially support member organizations. Features a listing of member organizations and methods to provide funding. Part of Earth Share, a nationwide network. |
| Embarras Volunteer Stewards: Volunteer group committed to preserving East Central Illinois natural heritage. Information on tours, workdays, and descriptions of sites. |
| Illinois Audubon Society: An organization that promotes the perpetuation and appreciation of native flora and fauna of Illinois and the habitats that support them. |
| Illinois Clean Energy Community Foundation: Invests in clean energy development and land preservation efforts, working with communities and citizens to improve environmental quality. Program overview, trustees, FAQs, application form, and announcements are featured. |
| Illinois Recycling Association: A collective voice for recycling on critical waste management issues facing the state. News, events, facts, and resources. |
| Nature Conservancy, The: Illinois Chapter: Conservation group that provides protection and education about the state's natural lands. |
| Sierra Club of Illinois: Working to explore, enjoy, and protect the Illinois environment. |
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