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December 13th, 2013
08:05 AM ET

Cutting through China's haze

U.S. Environmental Protection Agency head Gina McCarthy touched down in Hong Kong Thursday, only to be met by a thick layer of smog that has been choking the city.

McCarthy tells me 50% of Hong Kong’s haze stems from maritime pollution.

Her stop in Hong Kong comes after visits to both Shanghai and Beijing to discuss U.S.-China cooperation on air quality and other environmental issues.

Click on to hear the EPA Administrator cut through the haze of China's pollution crisis - addressing everything from air monitoring to emission standards... and why managing pollution in China is in the interest of the United States.