China's air pollution crisis

Associated Press
A man wearing a mask walks on a stone bridge in a park on a hazy day in Beijing, China, Monday, Jan. 14, 2013. Beijing schools kept children indoors and hospitals saw a spike in respiratory cases Monday following a weekend of off-the charts pollution in China's smoggy capital, the worst since the government began being more open about air-quality data. (AP Photo/Alexander F. Yuan)

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Pollution from China travels in large quantities across the Pacific Ocean to the United States, a new study has found, making environmental and health problems unexpected side effects of U.S. demand for cheap China-manufactured goods.

On some days, acid rain-inducing sulphate from burning of fossil fuels in China can account for as much as a quarter of sulphate pollution in the western United States, a team of Chinese and American researchers said in the report published by

the U.S. National Academy of Sciences, a non-profit society of scholars. (REUTERS)

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