
Polar Bear, Why Is Your World Melting? |
Book Category:
Juvenile Nonfiction > General
|
Author:
Robert E. Wells
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Illustrator::
Robert E. Wells
|
Binding:
Paperback
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ISBN 10:
0807565997
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ISBN 13:
9780807565995
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Price:
USD $6.99
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Publication Year:
2008
|
Publisher Info
Albert Whitman & Company. InquiryBook 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.