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02 March 2017 ProQuest

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1. Air Pollution in China Is Tied to 1.6 Million Deaths a Year........................................................................... 1

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第 1 个文档，共 1 个 Air Pollution in China Is Tied to 1.6 Million Deaths a Year ProQuest 文档链接 链接: Check for full text via Getit@BU 全文文献:   BEIJING -- Outdoor air pollution contributes to the deaths of an estimated 1.6 million people in China every year, or about 4,400 people a day, according to a newly released scientific paper. The paper maps the geographic sources of China's toxic air and concludes that much of the smog that routinely shrouds Beijing comes from emissions in a distant industrial zone, a finding that may complicate the government's efforts to clean up the capital city's air in time for the 2022 Winter Olympics. The authors are members of Berkeley Earth, a research organization based in Berkeley, Calif., that uses statistical techniques to analyze environmental issues. The paper has been accepted for publication in the peer- reviewed scientific journal PLOS One, according to the organization. According to the data presented in the paper, about three-eighths of the Chinese population breathe air that would be rated "unhealthy" by United States standards. The most dangerous of the pollutants studied were fine airborne particles less than 2.5 microns in diameter, which can find their way deep into human lungs, be absorbed into the bloodstream and cause a host of health problems, including asthma, strokes, lung cancer and heart attacks. The organization is well known for a study that reviewed the concerns of people who reject established climate science and found that the rise in global average temperatures has been caused "almost entirely" by human activity. The researchers used similar statistical methods to assess Chinese air pollution. They analyzed four months' worth of hourly readings taken at 1,500 ground stations in mainland China, Taiwan and other places in the region, including South Korea. The group said it was publishing the raw data so other researchers could use it to perform their own studies. Berkeley Earth's analysis is consistent with earlier indications that China has not been able to successfully tackle its air pollution problems. Greenpeace East Asia found in April that, of 360 cities in China, more than 90 percent failed to meet national air quality standards in the first three months of 2015. The Berkeley Earth paper's findings present data saying that air pollution contributes to 17 percent of all deaths in the nation each year. The group says its mortality estimates are based on a World Health Organization framework for projecting death rates from five diseases known to be associated with exposure to various levels of fine-particulate pollution. The authors calculate that the annual toll is 95 percent likely to fall between 700,000 and 2.2 million deaths, and their estimate of 1.6 million a year is the midpoint of that range. The Chinese government is sensitive about public data showing that air pollution is killing its citizens, or even allusions to such a conclusion. Though the authorities have gradually permitted greater public access to air quality readings, censors routinely purge Chinese websites and social media channels of information that the ruling Communist Party worries might provoke popular unrest. In March, after a lengthy documentary video about the health effects of air pollution circulated widely online, the party's central propaganda department ordered Chinese websites to delete it. Much of China's air pollution comes from the large-scale burning of coal. Using pollution measurements and wind patterns, the researchers concluded that much of the smog afflicting Beijing came not from sources in the city, but rather from coal-burning factories 200 miles southwest in Shijiazhuang, the capital of Hebei Province and a major industrial hub.

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Promises to clean up Beijing's air were a centerpiece of the nation's bid to host the 2022 Winter Olympics. The mayor of Beijing, Wang Anshun, championed restrictions on vehicles in the city, and state news media outlets lauded projects to replace coal-fired heating systems in urban areas with systems that use natural gas and generate far less particulate pollution. "We will improve the air quality not only for the Games, but also for the demand of our people," said Shen Xue, an Olympic gold medalist and ambassador for the 2022 bid, according to a report last month by Xinhua, the state news agency. The Berkeley Earth paper showed, however, that to clear the skies over Beijing, mitigation measures will be needed across a broad stretch of the country southwest of the capital, affecting tens of millions of people. "It's not enough to clean up the city," said Elizabeth Muller, executive director of the organization. "You're going to also have to clean up the entire industrial region 200 miles away." Photograph Waiting On a Roadside This Month for a Highway From Beijing to Hebei Province to Reopen After It Was Closed Because of Low Visibility On a Day of Heavy Smog. (Photograph by Damir Sagolj/Reuters) 标题: Air Pollution in China Is Tied to 1.6 Million Deaths a Year:   [Foreign Desk] 作者: Levin, Dan 出版物名称: New York Times, Late Edition (East Coast) ; New York, N.Y. 页: A.6 出版年份: 2015 出版日期: Aug 14, 2015 年份: 2015 章节: A 出版商: New York Times Company 出版地: New York, N.Y. 出版物国家/地区: United States 出版物主题: General Interest Periodicals--United States ISSN: 03624331 CODEN: NYTIAO 来源类型: Newspapers 出版物语言: English 文档类型: NEWSPAPER ProQuest 文档 ID: 1703874012 文档 URL: http://proxy.binghamton.edu/login?url=http://search.proquest.com/docview/1703874012?accountid=14168 版权: Copyright New York Times Company Aug 14, 2015 最近更新: 2015-08-14 数据库: ProQuest Newsstand

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