How things work in the world
www.howstuffworks.com/

Sierra Club programs and information
www.sierraclub.org/education/

Directory of environmental websites
dir.yahoo.com/Society_and_Culture/Environment ...
Carlsbad beaches
www.carlsbad.ca.us/beaches.html

Carlsbad travel questions
www.carlsbad.org

Find a park
www.parks.ca.gov/parkindex

McGruff Homepage

www.mcgruff.com