An "energy saving" search engine for teens. (includes Google, Encarta, Wikipedia, KMOZ, Ask Kids, Yahoo Kids, AKOL) http://www.kigose.com/
Kids Click (Grades 5-8) http://www.kidsclick.org/
Kids Search Tools http://www.rcls.org/ksearch.htm
A Greener Wiki http://green.wikia.com/wiki/Wikia_Green