Study finds pollution emitted near equator has biggest impact on global ozone

10 Nov 2016   Air Quality

 Since the 1980s, air pollution has increased worldwide, but it has increased at a much faster pace in regions close to the equator. Researchers from the University of North Carolina at Chapel Hill, the University of Colorado, Boulder and their colleagues have now shown that this changing global emissions map is creating more total tropospheric ozone worldwide compared to the amount of pollution being emitted, signaling an effect that could be difficult to reign in without strategic policy planning. In the study, published in Nature Geoscience , the team used a global chemical transport model to simulate changes in tropospheric ozone concentrations from 1980 to 2010, and to separate the influences of changes in the spatial distribution of global anthropogenic emissions of short-lived pollutants, the magnitude of these […]

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