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Earth Day

Facts & Stats about Pollution and Global Warming

Find explanations of the greenhouse effect, the ozone layer, and substances that pollute the air; statistics about polluted areas in the U.S. and the world, information about environmental disasters, and more.



More on Earth Day


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Did you know?
In addition to the phenomenon of “northern lights” (Aurora borealis) there are also the “southern lights” (Aurora australis).

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