Global Warming The debate on global warming has shifted. Worldwide, tailpipes and smokestacks spew 25 billion tons of carbon dioxide every year, and there's no longer doubt that this gas is heating the Earth. The new questions center around how much will our climate change, and how fast. NPR examines the issue.
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Special Series

Global Warming

The new debate on global warming is how much will our climate change, and how fast.

Assessing the Art, Science of 'Inconvenient Truth'

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Backyards May Play Role in Climate Change

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Climate Change Could Cause Rapid Rise in Sea Levels

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'Weather Makers' Seeks to End Climate Debate

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Effects of Global Warming Apparent in Bering Sea

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Is Global Warming Threatening Polar Bear Habitats?

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NASA Scientist Feels Pressure Over Global Warming

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Science Fiction Writers Target Global Warming

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