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Pennsylvania Department of Environmental Protection: Just for Kids: Recycling
Why should I recycle? What are recyclable materials? How does recycling work? Learn the answer to these questions and much more on this site about recycling.
Globio
Glossopedia: Earth Day
Earth Day is a worldwide celebration held annually on April 22nd. The purposes of Earth Day, the history of and the various activities held around the world are described. Activities and projects that can be done daily or year round are...