Study: 87% of world’s population in 2013 lived in areas exceeding WHO PM2.5 guidelines
Green Car Congress
DECEMBER 6, 2015
annual average), according to a major international study published in the ACS journal Environmental Science & Technology. Additionally, the study found that the population-weighted mean concentrations of ozone increased globally by 8.9% An additional 217,000 deaths were attributable to long-term ozone exposure.
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