See also:

• Regional: North America: Regions: Great Lakes: Science and Environment  (28)
• Regional: North America: United States: Regions: Midwest: Science and Environment  (15)
• Regional: North America: United States: Science and Environment  (81)

• The Conservation Foundation - Non-profit land and watershed protection organization. Includes news, list of projects, and membership information.
• The Critical Trends Assessment Program - Reports, protocols, and other information about and from an ongoing effort to access Illinois' major sources of standardized quantitative biological data on inventory and monitoring of forests, wetlands, grasslands, and streams.
• Flora and Fauna of Illinois - State government information resources.
• ILCF - Illinois Conservation Foundation - Preserves and enhances precious natural resources by supporting and fostering ecological, educational, and recreational programs. Includes program overviews, special events, donation forms, links, and contacts.
• Illinois Clean Coal Institute (ICCI) - Research and development program with emphasis on continued utilization, environmentally clean burning, and new markets for Illinois Basin coals. News and events, research, and staff listing.
• Illinois Department of Natural Resources - Find out what's new at the Department, learn its history, follow legislation, download applications for licenses or permits, purchase conservation merchandise, or just learn more about the world. Publications, museums, kids and education featured.
• Illinois Drycleaner Environmental Response Trust Fund - Established in response to requests by operators of retail drycleaning facilities to have financial resources available to pay for the cleanup of spills and/or leaks from their drycleaning machines and solvent storage units. Features details on its licensing, insurance, and remedial programs.
• Illinois Ecosystems - Educational introductions to the five major natural ecosystems in Illinois: Prairies, Wetlands, Forests, Rivers and Streams, and Lakes.
• Illinois Environmental Compliance - Periodical providing an independent source of environmental regulation, policy and enforcement data.
• Illinois Environmental Council - Promotes sound environmental policy and protections for land, air, water, wildlife, and human health in the State of Illinois. Provides programs of education, policy study, publication, and outreach for groups and individual members.
• Illinois Environmental Health Association - A state-wide, non-profit organization promoting environmental health through the mutual exchange of knowledge and experience through various disciplines.
• Illinois Environmental Protection Agency - Information about permit application forms, vehicle emissions testing station locations, annual reports on the state's environmental conditions, the history and organizational structure of the Illinois EPA, and contact information.
• Illinois Mycological Association - Promotes mycology, the study of fungi, through its member programs, services and events. Includes glossary, calendar, and photos.
• Illinois Natural History Survey - Includes information on state flora and fauna, wetlands, ecological research, and related topics.
• Illinois Nature Preserves Commission - Preserving, protecting, and defending the resources of Illinois for the benefit of the public. Also, offers support and resources for private landowners.
• Illinois Society for Microbiology - Promotes scientific knowledge in microbiology and supports the work of the American Society for Microbiology since 1935. Includes an events calendar, meeting locations, officers and committees, news, and membership levels.
• Illinois Solar Energy Association - Seeks to provide education and resources through monthly meetings, sponsored events, expositions, and competitions. Site features educational articles, newsletter, rebate program information and links.
• Illinois State Geological Survey - ISGS provides objective scientific information to government, business, and the public. Our research and service programs encompass geologic mapping, water and mineral resources, environmental and engineering geology, geochemistry, and education.
• Keep Illinois Beautiful - Works to improve the environment through education, public awareness, and community involvement.
• Nature of Illinois, The - Non-profit corporation that supports the state's scientific surveys (geological, natural history, and water) and the Waste Management and Research Center. Information on its quarterly publication, programs, and contacts.
• State Microscopical Society of Illinois - Organization of amateur and professional microscopists. Information about monthly meetings, workshops, and other events, and how to join.