Air quality

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Tag Archives: Air quality

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  • 5 Jun 2020
    Guy P. Brasseur

    COVID-19 and Air Quality

    The dramatic slowdown of the world economy in the first months of 2020 following the development of the COVID-19 epidemic has led to a significant reduction in greenhouse gas and air pollutant emissions, specifically those associated with transportation and industrial activities. The first and most dramatic reduction in the concentrations of nitrogen oxides (NOx), carbon […]

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