American Museum of Natural History: Ask a Scientist

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This Earth Day (April 22) marks the 49th anniversary of the modern environmental movement.

Two hands form a protective shield around a grassy globe with single tree.
(Image credit: pixbox77)

This Earth Day (April 22) marks the 49th anniversary of the modern environmental movement. This browsable collection of questions posed by elementary- and middle-school students to the scientists of the American Museum of Natural History and their responses covers everything environment-related, from pollution to endangered species to climate change.

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