Bureau of Land Management Environmental Education
Includes teacher resources, state-by-state guide to programs, BLM events, and information on resource explorers.

Ecotourism
Resources for parents and teachers to help children learn about ecology, other cultures, wildlife, and the essence of ecotourism. From your About Guide to Ecotourism, Ellen Scott.

Eisenhower National Clearinghouse
By specifying topic (e.g., national parks), student grade, and cost, users can locate a variety of useful educational resources.

Endangered Species in the Classroom
Several links for teachers and classrooms to use in investigating endangered species issues.

National Outdoor Leadership School
Offers a variety of courses worldwide, including outdoor leadership, mountaineering, whitewater rafting & kayaking, and winter programs.

US Geological Survey Learning Web
Includes a collection of educational resources on topics in biology, geology, hydrology, and geography.

Volcano World
Extensive information about volcanoes, including lesson plans for teachers and lessons and activities for students.