RENEW Wisconsin - Wisconsin Renewable Energy Organization. A nonprofit organization that promotes clean energy strategies for powering the state's economy in an environmentally responsible manner.

Wisconsin Stewardship Network - An alliance of 100+ conservation (hunting and fishing) and environmental groups. This site is maintained by 6 groups around Wisconsin.

Wisconsin Environmental Initiative - Information about issues related to business and the environment, land use, and green building.

Wisconsin Rural Water Association - Assisting rural communities with fresh and waste water issues for more than a decade.

Clean Water Action Council of Northeastern Wisconsin, Inc. - Non-profit educational organization working to protect and preserve clean water in northeast Wisconsin and the Great Lakes region. Provides research, events, newsletter, and activist forum.

Northeast Wisconsin Land Trust - Formed in 1996 to preserve and restore the natural heritage of Northeast Wisconsin lands and waters through partnerships in land conservancy and resource management. Mission statement, land trust definitions and resources.

Mississippi Valley Conservancy - A private, locally-based, non-profit land trust dedicated to conserving the Driftless Area of southwest Wisconsin. News, membership information.

A Geological Tour of The Baraboo Ranges and Devil's Lake Gorge - A description of the ranges, other features of interest, a tour of the area, the geological evolution of the ranges, and sources of information.

Wisconsin Falcon Watch - Peregrine Falcon recovery and residence in Wisconsin. News updates, photo gallery.

Wisconsin Vascular Plants - Extensive collection of photogaphs, distribution maps, and other botanical information, organized by taxon.