Polar Bear Why Is Your World Melting
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Polar Bear Why Is Your World Melting
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Polar Bear Why Is Your World Melting by Robert Wells
In the Arctic, the summer ice is melting, making it hard for polar bears and their cubs 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. If there is just the right amount of these trapped gases, the air is warm enough for plants, animals, and people to thrive. But now there is too much greenhouse gas, especially carbon dioxide. Polar bears, and all of us, are in trouble. Robert E. Wells shows why so much carbon dioxide is going into the air and what we can do to help keep Earth cool.
| SKU | Unavailable |
| ISBN 13 | 9780807565995 |
| ISBN 10 | 0807565997 |
| Title | Polar Bear Why Is Your World Melting |
| Author | Robert Wells |
| Series | Wells Of Knowledge |
| Condition | Unavailable |
| Binding Type | Paperback |
| Publisher | Albert Whitman & Company |
| Year published | 2008-10-31 |
| Number of pages | 32 |
| Cover note | Book picture is for illustrative purposes only, actual binding, cover or edition may vary. |
| Note | Unavailable |