Crew, FOIA,Documents 016760- 017218

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The document discusses the results of a study on the impact of COVID-19 lockdowns on air pollution. The study found that lockdowns led to short-term reductions in nitrogen dioxide and fine particulate matter concentrations globally. However, the decreases in air pollution were temporary and not sufficient to significantly improve air quality or public health in the long run without systemic changes to reduce fossil fuel use and other polluting activities.

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