THE NATURE SERIES~ VANESSA SOMERS VREELAND ~ COURTESY of CHISHOLM GALLERY, JEANNE CHISHOLM
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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 impacts on air quality were temporary and levels returned to pre-pandemic levels once restrictions were lifted and activity resumed.
