- 350 Madison
- CO2gether: Monitoring Your Carbon Footprint
- Rosemary Garfoot Public Library & Wind Power
- Environmental Protection Agency
- Kids & the Environment
- Aldo Leopold Nature Center
- Audubon Society
- Nature Conservancy
- 350.org: an International Movement Focused on Global Warming
- Wisconsin Environment: a Statewide Citizen-based Environmental Organization
- Save Our Environment
- National Tapwater Quality Database
- Story of Stuff
- Alternative Energy Sources
- Sustainable/Electric Cars
- Recycling 101
- Great Lakes Water Wars
- Bottlestore.com
