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Gene Ellis

China Exports Pollution to U.S., Study Finds - NYTimes.com - 0 views

www.nytimes.com/...to-western-us-study-finds.html

China exports pollution u s input_output

shared by Gene Ellis on 22 Jan 14 - No Cached
  • “We’re focusing on the trade impact,” said Mr. Lin, a professor in the department of atmospheric and oceanic sciences at Peking University’s School of Physics. “Trade changes the location of production and thus affects emissions.”
  • “Dust, ozone and carbon can accumulate in valleys and basins in California and other Western states,” the statement said.Black carbon is a particular problem because rain does not wash it out of the atmosphere, so it persists across long distances, the statement said. Black carbon is linked to asthma, cancer, emphysema, and heart and lung disease.
  • The study’s scientists also looked at the impact of China’s export industries on its own air quality. They estimated that in 2006, China’s exporting of goods to the United States was responsible for 7.4 percent of production-based Chinese emissions for sulfur dioxide, 5.7 percent for nitrogen oxides, 3.6 percent for black carbon and 4.6 percent for carbon monoxide.
  • ...5 more annotations...
  • The scholars who gave emissions estimates for China’s export industries, a significant part of the country’s economy, looked at data from 42 sectors that are direct or indirect contributors to emissions. They included steel and cement production, power generation and transportation. Coal-burning factories were the biggest sources of pollutants and greenhouse gases, which contribute to global warming.
    • Gene Ellis
      Gene Ellis on 22 Jan 14
       
      Note:  here they have used input-output coefficients of sectors to calculate the effects...
  • In Japan, for instance, an environmental engineer has attributed a mysterious pestilence that is killing trees on Yakushima Island to pollutants from China.
  • Exports accounted for 24.1 percent of China’s entire economic output last year, down sharply from a peak of 35 percent in 2007, before the global financial crisis began to weaken overseas demand even as China’s domestic economy continued to grow.
  • But the proportion of China’s exports that are made in China has risen steadily in recent years as many companies move more of their supply chains, instead of just having final assembly work done here.
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