How is COVID-19 affecting environmental pollution in US cities? Evidence from asymmetric Fourier causality test
How is COVID-19 affecting environmental pollution in US cities? Evidence from asymmetric Fourier causality test
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DOI：
10.1007/s11869-020-00877-9
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发表时间：
2020-07-15
影响因子：
5.1
通讯作者：
Pata, Ugur Korkut
中科院分区：
文献类型：
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作者：
Pata, Ugur Korkut
本文旨在研究 COVID-19 大流行对美国选定的八个人口超过 100 万城市的 PM(2.5) 排放的影响。为此，该研究对2020年1月15日至2020年5月4日期间采用了不对称傅里叶因果关系检验。结果表明，COVID-19死亡人数的正向冲击会对纽约、圣地亚哥和圣何塞的PM(2.5)排放量造成负向冲击。此外，就案例而言，COVID-19 的正面冲击会对洛杉矶、芝加哥、菲尼克斯、费城、圣安东尼奥和圣何塞的 PM(2.5) 排放量造成负面冲击。总体而言，该研究的结果强调，这一流行病减轻了美国大城市的环境压力。这意味着该病毒罕见的积极影响之一是减少空气污染。因此，为了更好的环境，美国公民应该重新审视当前的生产和消费活动对人为环境问题的影响。
This paper aims to examine the effects of the COVID-19 pandemic on PM(2.5)emissions in eight selected US cities with populations of more than 1 million. To this end, the study employs an asymmetric Fourier causality test for the period of January 15, 2020 to May 4, 2020. The outcomes indicate that positive shocks in COVID-19 deaths cause negative shocks in PM(2.5)emissions for New York, San Diego, and San Jose. Moreover, in terms of cases, positive shocks in COVID-19 cause negative shocks in PM(2.5)emissions for Los Angeles, Chicago, Phoenix, Philadelphia, San Antonio, and San Jose. Overall, the findings of the study highlight that the pandemic reduces environmental pressure in the largest cities of the USA. This implies that one of the rare positive effects of the virus is to reduce air pollution. Therefore, for a better environment, US citizens should review the impact of current production and consumption activities on anthropogenic environmental problems.