US Environmental Protection Agency
Epa: Planet Protectors Club for Kids
This site has activities, games and stories starring the Planet Protector's Club. Find out how kids can help our environment. (Several activities include a Spanish version.)
PBS
Pbs: Journey to Planet Earth: Land of Plenty, Land of Want
Part of the PBS series "Journey to Planet Earth," this site explores the "fundamental problem facing today's farmer: how to feed the world's growing population without endangering our environment." Includes video and educational resources.