http://www.popenvironment.org
Information and communication on the complex relationship between human population and the environment.

http://www.cnie.org
National Council for Science and the Environment site which has environmental information and research resources.

http://www.digital-librarian.com/marine.html
Digital Librarian: a librarian's choice of the best resources and links for Marine and Aquatic Sciences.

http://www.state.sc.us/scsl
South Carolina State Library homepage.