Global Warming and the Politics of Polar Bears

Scientists are concerned that the habitats of polar bears might be melting. The debate may affect the environmental philosophy of the Bush administration. Guests explain how the driving factor might be global warming and chemical pollutants carried toward the Arctic Ocean.

Guests:

Richard Harris, NPR science correspondent

Elizabeth Shogren, NPR science correspondent

John Stowell, vice-president for environmental policy, Duke Energy

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