Two Major Air Pollutants Increase in China

[unable to retrieve full-text content]Levels of two major air pollutants ? nitrogen dioxide and particulate matter that is between 2.5 and 10 micrometers, called PM 10 ? surged early in 2013, a report said.

Source: http://www.nytimes.com/2013/04/04/world/asia/two-major-air-pollutants-increase-in-china.html?partner=rss&emc=rss

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