Take a trip to Recycle City! There's lots to do there - people and places to visit and plenty of ways to explore how the city's residents recycle, reduce, and reuse waste.
The EPA Environmental Kids Club. They'll help you explore your environment and learn how to protect it. They've got games, pictures, and stories. http://www.epa.gov/students/index.html
Kids learn fun facts about animals of their choices, how they can defend the animals, and fun games. There is even a teacher’s page. http://www.kidsplanet.org/
EEK!, an online magazine for grades four to eight packed with short articles and activities about animals, plants and environmental issues.