US Environmental Protection Agency
Epa: Recycle City
Explore the four neighborhoods of Recycle City to learn all the ways people there are recycling, reducing, and reusing materials. Take a look also at Dumptown, which is how Recycle City used to look, and see all the waste reduction...
SRI International
Performance Assessment Links in Science: Discovering the Problem of Solid Waste
This activity has students sort garbage, graph their results and propose ways of reducing waste.