Polar Bear, Why Is Your World Melting? by Robert E. Wells
(Wells of Knowledge Science)

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In the Arctic, the summer ice is melting, making it hard for polar bears to survive. Why is the world getting warmer? The heat of the sun is trapped by the "greenhouse" gases that surround Earth--carbon dioxide, methane, nitrous oxide, and water vapor.

About Robert E. Wells

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Published September 1, 2008 by Albert Whitman & Company. 32 pages
Genres: Health, Fitness & Dieting, Nature & Wildlife, Children's Books. Non-fiction

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A worthy title that uses polar bears and the melting of the Arctic ice as a springboard for an explanation of global warming pitched well to preschool audiences.

May 20 2010 | Read Full Review of Polar Bear, Why Is Your World...

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