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Global Warming I

Only Available in Archive Formats.
Global Warming I

Global Warming I

Global Warming I

Only Available in Archive Formats.

In the first of 2-part report NPR's Richard Harris examines a new study on global warming released today by the National Research Council. The NRC concludes that over last 20 years, the surface temperature of the earth has risen significantly, while temperatures in the lower atmosphere, where most weather occurs, have changed very little.