As the transmission of novel corona virus (COVID-19) increases rapidly, the whole world adopted the curfew/lockdown activity with restriction of human mobility. The imposition of quarantine stopped all the commercial activity that greatly affects the various important environmental parameters which directly connected to human health. As all the types of social, economic, industrial and urbanization activity suddenly shut off, nature takes the advantages and showed improvement in the quality of air, cleaner rivers, less noise pollution, undisturbed and calm wildlife. This research aims to discuss the COVID-19 effect on the global environment. The outcome of this research says that “ Although coronavirus vaccine is not available coronavirus itself is earth’s vaccine and us humans are the virus ”. Graphical abstract Unlabelled Image Highlights • Vital environmental changes have been evidenced during COVID-19 lockdown. • 500% decrease in sewage and industrial effluents in rivers. • Dissolved oxygen(DO), Biological oxygen demand(BOD), pH of river water has been improved by 79%, 30% and 7.9 respectively • Noise level was reduced up to 35% to 68% all over the world. • Wild life gets a chance to reclaim their land.
【저자키워드】 COVID-19, lockdown, wildlife, Environmental impact, Pollution, air quality index,