IUCN Red List of Threatened Species
EVOGENEAO Tree of Life Explorer
A collection of Environmental E-Books.
The complete archive of National Geographic magazine from 1888-present, plus e-books and video.
Password: empirelink -OR- sutherland
A good general purpose database. Start here for most topics.
Offsite password: empirelink or sutherland
Remember, the "magic" in a Wikipedia article is down at the bottom. Look for External Links, Further Reading and References and follow the links. Learn more about How to Use Wikipedia Wisely.