Study finds power law scaling relationship between urban population and NO2 pollution
Green Car Congress
AUGUST 25, 2013
These regions contain two-thirds of total global anthropogenic NO x emissions. For example, in a Chinese city of 10 million people, the average outdoor ambient NO 2 concentrations are 100.66 = 4.6 The study was published in the ACS journal Environmental Science & Technology. times higher than in an average city of 1 million.
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