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Earth Day Network
The official online home of Earth Day offers many resources regarding environmental education. Includes the latest news on environmental advocacy and how to take part in Earth Day each year.
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Think Green: Earth Day Project Ideas: Grades 6 8 [Pdf]
Give your students the tools to live and think green with these fun educational projects and art activities. Projects are useful for helping students learn to make good environmental decisions. [PDF]
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Envirolink: Earth Day
A concise site that gives the students the opportunity to learn all about how Earth Day was started.