A museum collection of dried, labeled plants of state, national and international importance, which is used extensively for taxonomic and ecological research, as well as for teaching and public service. It contains the world's largest collection of Wisconsin plants, about one-third of its 1,000,000 specimens having been collected within the state.

A description of the ranges, other features of interest, a tour of the area, the geological evolution of the ranges, and sources of information.

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.

Provides information on the PCB pollution of the Fox River, Green Bay and Lake Michigan including research on PCBs, history, health effects, toxicity, sediment remediation, dredging, cleanup, and politics.

A comprehensive guide to the state's natural vegetation communities and plant species.

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

A forum for the preservation and enhancement of watershed resources through an impartial partnership among the diverse community interests.

Stories of strange and cryptozoological creatures troubling Wisconsin residents.

Information about issues related to business and the environment, land use, and green building.

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

Offers links and book recommendations.

Non-profit volunteer organization advancing understanding of Wisconsin's ground water in scientific, technical, legal, educational, and public policy aspects.

Bimonthly magazine featuring articles on nature study, environmental protection and outdoor recreation. Includes story archive, subscription form, and submission guidelines. Published by the Department of Natural Resources.

Assisting rural communities with fresh and waste water issues for more than a decade.

Lists published soil mapping reports for the state and provides online reports for several counties.

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