US Environmental Protection Agency
Epa: Dumptown Game
This fun game helps students learn ways to recycle, reduce waste, and compost. You can also create your own Recycle City Scavenger Hunt.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Recycling
This lesson plan site focuses on defining recycling, identifying recyclable materials, categorizing recyclable materials, understanding the importance of filtration and identifying the recycle symbols.