Polar Bear, Why Is Your World Melting?

By Robert E. Wells; Robert E. Wells (Illustrator)
Albert Whitman & Company, Library Binding, 9780807565988, 32pp.

Publication Date: September 2008

List Price: $16.99*
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Description
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 the Author
Robert E. Wells is the author and illustrator of many intriguing and award-winning science books for children, including Can You Count to a Googol? and What's So Special about Planet Earth? He lives with his wife in Wenatchee, Washington.Robert E. Wells is the author and illustrator of many intriguing and award-winning science books for children, including Can You Count to a Googol? and What's So Special about Planet Earth? He lives with his wife in Wenatchee, Washington.
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