- Natural Resources Canada Alternative Fuels Information
- The Green Guide (Product reviews, tips & tools...produced by the National Geographic Society)
- Hinterland Who's Who
- Audubon Society
- EnviroLink Network
- Planet Ark
- National Wildlife Federation
- World Wildlife Fund
- Polar Bears International
- Ocean Conservancy
- SeaWeb
- Farm to Table
- Clean air - Cool Planet
- Glossary of Environmental Terms