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割舍不掉的情意结...

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雾霾的代价  

2013-08-29 23:49:17|  分类: 时事 热点 |  标签: |举报 |字号 订阅

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雾霾的代价

哈佛大学公共卫生学院7月12日发表:根据中、美及以色列三国的专家联合研究,北京(方)的雾霾天气,空气污染包括PM2.5的有害等物质,让北方的同胞付出5年半寿命雾霾的代价 - allen同学 - 割舍不掉的情意结... 在国内不会看到这个报告吧...雾霾的代价 - allen同学 - 割舍不掉的情意结...

雾霾的代价 - allen同学 - 割舍不掉的情意结...

Heavy pollution in northern China reduces life spans
July 12, 2013       News from Harvard schools, offices, and affiliates

Half a billion people in northern China will likely live an average of 5.5 years less than their southern counterparts because of heavy air pollution caused by coal burning, according to a new study. Researchers from China, Israel and the United States were able to compare health effects between people in the north and south parts of China because the country had a decades-long policy of providing free coal only in the colder north.

 

Harvard School of Public Health biostatistics professor Francesca Dominici, quoted in a July 9, 2013 Associated Press article, called the study “fascinating” because it allowed researchers to approximate a randomized experiment in a situation “where a randomized experiment is not possible.”

 

Dominici was not involved in the study but has researched the health effects of fine particulate matter, or PM2.5—particles with diameters of 2.5 micrometers or less—in the U.S. She said she wasn’t surprised by the new findings, given China’s high pollution levels. “In the U.S. I think it’s pretty much been accepted that even small changes in PM2.5—much, much, much smaller than what they are observing in China—are affecting life expectancy,” she said.

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