- Booklist Online has a list of Core Collection: Environmental Essentials
- Ecolibrarian offers numerous book lists on topics such as Climate Change, Earth Books for Children, Environmental Justice, Green My Ride, etc.
- Check out Ecobrain for eBooks and mp3 audio about the environment and environmentally-friendly.
- The Environmental Defense Fund has a list (and a user generated poll) of the Most Influential Environmental Book.
- There is even a List of Environmental Books on Wikipedia.
- other suggestions? Please comment!