Here is a list of informative educational links providing a wide range of environmental topics:

Energy Efficiency and Renewable Energy Network (EREN)
Provides energy efficiency and renewable energy programs and offices, links to Earth Dog, office of Technologies Kids Page, other fact sheets, and to other sites which provide specifics on energy alternatives. Also features the Rebuild America Program. The site includes a form to submit to an expert about questions concerning energy-efficient and renewable energy technologies.

Energy Information Administration's Kid's Page
The U.S. Department of Energy's Energy Information Administration (EIA) kid's page  includes a potpourri of energy facts, figures, and fun for students in grades 3 through 8. The site's energy quiz is quite challenging.

Environmental Web Directory
This page is a home base and search engine for those interested in environmental education. It provides countless links to environmental education sites, and other resources. (For grades 9-12)