The Northern Ohio chapter provides information on local technical seminars, and current events.

A nonprofit, scientific and educational organization of professional conservationists. Includes news, events and membership.

Organized to discover and conserve archaeological sites and material within the state of Ohio.

Contains information for everyone interested in astronomy and the wonders of the natural sky. Includes list of clubs in Ohio.

An Ohio grassroots environmental organization with two major projects including protecting public forests and organizing citizens affected by coal mining.

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.

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.

A nonprofit organization dedicated to promoting environmentally and economically sustainable energy policies and practices in Ohio. Offices located in Cleveland and Columbus.

Environmental advocacy for Ohio focused on clean water, toxic chemical reductions and urban sprawl. Site provides archives, resources, and links.

Mission is protect the Ohio's soil, air, wood, water, and wildlife and promote sustainability. Provides information on all 23 Ohio chapters.

A nonprofit organization dedicated to presenting balanced environmental information. Provides event calendar, member details, and documents.

Provides overview and news.

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.

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.

Non-profit advocacy group committed to solving ecological problems. Site includes tips, calendar, and membership information.

A nonprofit organization dedicated to advance the science of geology as it relates to petroleum, natural gas and associated liquids, and other natural resources.

Promotes interest in the butterflies, skippers and moths of Ohio and neighboring states.

A non-profit organization providing nature education programs to schools, scout troops, garden clubs, senior centers, metro parks, and community centers.

Unofficial site presenting newsletter, bulletin board, and contact details.

Non-profit providing wetland, off-site compensatory mitigation credits and funding wetlands research and education.

mission is to restore, protect and improve Ohio's rivers and streams, their water quality, and scenic beauty.

State chapter of the environmental protection advocacy organization.

A chapter for the solid waste professionals of Ohio. Includes newsletter, and schedule of events and training.

A useful resource for Ohio astronomers that includes a bulletin board, and links to astronomy clubs, planetariums, observatories and educational material.

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.

Mission is to preserve Ohio plants, animals and natural communities by protecting the lands and waters they need to survive.