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A study of spatial-temporal evolution of China’s urban environmental pollution

Author(s): Ni Zhiqing, Xuan Zhaohui

The problem of environmental pollution brought by the rapid economic development in China caught increasingly great attention of the world. The wide-range of hazy weather since 2013 has shown the seriousness of problem of its environmental pollution. This paper, using the Synthetical Index Method to build the urban “Pollution Index” and “Urban Economy-Pollution Index”, makes the analysis of the environmental pollution and evolvement features of the 30 major Chinese cities. According to the results, during 2005- 2012, the pollutants discharge per unit economic output in its 30 cities showed by and large a downward trend. Urban pollution in this country underwent a development process from concentrating in a handful of cities to scattering to more extensive space. Of these cities, 8 currently fell into the category of “Severity”, with a large amount of discharge of urban pollutants, being in the state of extensive growth. In terms of types of pollutants causing urban pollution, there are differences between each city.

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