Journal
SUSTAINABILITY
Volume 13, Issue 21, Pages -Publisher
MDPI
DOI: 10.3390/su132111777
Keywords
global health benefit; COVID-19; coronavirus; nitrogen oxide; nitrogen dioxide
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) in Japan [20H00648]
- Ministry of the Environment, Japan [JPMEERF20201001]
- 4th Environmental Economics Research Fund of the Ministry of the Environment, Japan
- Grants-in-Aid for Scientific Research [20H00648] Funding Source: KAKEN
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Lockdown measures implemented globally during the COVID-19 pandemic have led to a significant reduction in air pollution, particularly Nitrogen Dioxide. Research shows that the health benefits associated with these lockdowns amount to approximately 8.73 trillion USD, with China, the United States, Japan, and Germany being the countries benefiting the most. This underscores the importance of social distancing measures in bringing benefits that traditional policy interventions may not easily achieve.
Motivated by the global fear of the Coronavirus-19 (COVID-19) pandemic, we investigated whether lockdowns save people from air pollution, notably from Nitrogen Dioxide (NO2). Using daily satellite data from the National Aeronautics and Space Administration (NASA), we first found that the global NO2 tropospheric vertical column density (TVCD) decreased by 16.5% after the Coronavirus-19 (COVID-19) outbreak. Then, we calculated the global health benefits, as the monetized value of life, using the value of a statistical life (VSL). The total global health benefits were approximately 8.73 trillion USD, accounting for 10% of the global GDP; such benefits would be the largest in China, followed by the United States, Japan and Germany. Our results suggest that lockdowns may bring benefits to countries that policy interventions cannot easily bring, thus highlighting the importance of social distancing.
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