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Friday, March 22, 2013

Village Green Project: What’s in our Air?

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03/22/2013 10:34 AM EDT

By Ronald Williams What's in our air? It's made up of 78 percent nitrogen, 21 percent oxygen, and one percent other gases such as carbon dioxide.  An even smaller contribution comes from gaseous air pollutants such as ozone or carbon monoxide.  In addition to the gases, air contains tiny particles from both natural and man-made [...]

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