Polar Bear, Why Is Your World Melting?
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.
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POLAR BEAR, WHY IS YOUR WORLD MELTING?User Review - Jane Doe - Kirkus
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. Simple language and vivid imagery ... Read full review