Air and Waste Management Association: Northern Ohio: The Northern Ohio chapter provides information on local technical seminars, and current events.
All Ohio Chapter of the Soil and Water Conservation Society: A nonprofit, scientific and educational organization of professional conservationists. Includes news, events and membership.
Archaeological Society of Ohio: Organized to discover and conserve archaeological sites and material within the state of Ohio.
Association of Ohio Recyclers: Promotes recycling and waste prevention while serving our members through information exchange, education, networking, and advocacy.
Astronomy Network of Ohio: Contains information for everyone interested in astronomy and the wonders of the natural sky. Includes list of clubs in Ohio.
Buckeye Forest Council: An Ohio grassroots environmental organization with two major projects including protecting public forests and organizing citizens affected by coal mining.
Clean Fuels Ohio: Non-profit organization based at The Ohio State University working to advance cleaner fuels and vehicles in the state. Includes news items, upcoming events, membership details, a newsletter, and technology articles.
Dysart Defenders: Statewide organization dedicated to protecting Dysart Woods, among the last of the remaining ancient forest in Ohio. Bulletins, fliers, picture gallery, and information on their events.
Green Energy Ohio (GEO): A nonprofit organization dedicated to promoting environmentally and economically sustainable energy policies and practices in Ohio. Offices located in Cleveland and Columbus.
GreenLink: Environmental advocacy for Ohio focused on clean water, toxic chemical reductions and urban sprawl. Site provides archives, resources, and links.
Izaak Walton League, Ohio Chapter: Mission is protect the Ohio's soil, air, wood, water, and wildlife and promote sustainability. Provides information on all 23 Ohio chapters.
Ohio Bird Banding Association: Provides overview and news.
Ohio Cichlid Association: Organization dedicated to the advancement and dissemination of information relating to the biology of cichlids and related aquatic life. Includes bulletin and schedule of meetings.
Ohio Coleopterists: A nonprofit organization whose purpose is to enhance understanding of and promote interest in the beetles of Ohio. Includes beetle database, newsletter, and member details.
Ohio Environmental Council: Non-profit advocacy group committed to solving ecological problems. Site includes tips, calendar, and membership information.
Ohio Geological Society: A nonprofit organization dedicated to advance the science of geology as it relates to petroleum, natural gas and associated liquids, and other natural resources.
Ohio Lepidopterists: Promotes interest in the butterflies, skippers and moths of Ohio and neighboring states.
Ohio Nature Education: A non-profit organization providing nature education programs to schools, scout troops, garden clubs, senior centers, metro parks, and community centers.
Ohio Turnpike Astronomers Association: Unofficial site presenting newsletter, bulletin board, and contact details.
Ohio Wetlands Foundation: Non-profit providing wetland, off-site compensatory mitigation credits and funding wetlands research and education.
Rivers Unlimited: mission is to restore, protect and improve Ohio's rivers and streams, their water quality, and scenic beauty.
Sierra Club, Ohio Chapter: State chapter of the environmental protection advocacy organization.
SWANA Ohio Buckeye Chapter: A chapter for the solid waste professionals of Ohio. Includes newsletter, and schedule of events and training.
The B-W Greenway Community: Mission is to educate the public about the value of wetlands and importance of connecting the Beavercreek and Wenrick Wetlands with a greenway. Contains news, articles, and membership information.
The Nature Conservancy of Ohio: Mission is to preserve Ohio plants, animals and natural communities by protecting the lands and waters they need to survive.