Wisconsin Soils Program
- Lists published soil mapping reports for the state and provides online reports for several counties.
- http://www.wi.nrcs.usda.gov/technical/soil/

Wisconsin Clean Cities
- A trade association working to promote the alternative fuels industry.
- http://www.wicleancities.org

Wisconsin Natural Resources
- 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.
- http://www.wnrmag.com/

Freckmann Herbarium: Plants of Wisconsin
- A comprehensive guide to the state's natural vegetation communities and plant species.
- http://wisplants.uwsp.edu/

Wisconsin State Herbarium
- 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 Wiscon
- http://www.botany.wisc.edu/herbarium/

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.
- http://www.uwmc.uwc.edu/geography/baraboo/baraboo.htm

Wisconsin Environmental Initiative
- Information about issues related to business and the environment, land use, and green building.
- http://www.wi-ei.org/

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

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.
- http://www.renewwisconsin.org/