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About The Cover

December 21, 2009 Cover, Vol. 87, Issue 51

December 21, 2009 Cover, Vol. 87, Issue 51

Global Warming And Climate Change

Believers, deniers, and doubters view the scientific forecast from different angles. (pp. 11-21)

Climate Debate: Which Comes First, CO2 Or The Heat?

Global-warming skeptics have developed a set of talking points to use in their arguments as they lobby against anthropogenic global warming... (Web Exclusive)

COVER: Image of Arctic ice conditions at the end of the melt season in 2007 shows large areas of open water and an ice-free opening through the Northwest Passage that lasted several weeks. It was the lowest extent of Arctic sea ice on record. NASA

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Copyright © 2009 American Chemical Society

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