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Reference

Gkatzelis GI, Gilman JB, Brown SS, Eskes H, Gomes AR, Lange AC, McDonald BC, Peischl J, Petzold A, Thompson CR & Kiendler-Scharr A (2021). The global impacts of COVID-19 lockdowns on urban air pollution: a critical review and recommendations. Elementa: Science of the Anthropocene 9(1):00176.