Archives: Earth Day

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Is the World’s Climate Changing?

Lesson Plan

by Lisa Prososki Subjects Secondary science, Geography, Climate change Estimated Time Four 50-minute class periods plus additional time for classroom presentation and extension activities. NOTE:…read more

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Understanding Your Water: From Source to Tap and Back Again

Lesson Plan

By Amy Gambrill, Washington, D.C. Subjects Secondary science, social studies and current events classes Estimated Time Two 45-minute class periods plus additional time for extension…read more

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Volunteers participate in an Earth Day cleanup event in Washington, D.C. Earth Day began in 1970 in response to the country's growing environmental awareness.

Earth Day Coincides With Heated Debates Over Environmental Rules

Article

An oil spill in California was behind the creation of the first Earth Day in 1970. Now, 41 years later, the worst oil disaster in…read more

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