An infectious disease emerged from Wuhan, China, in December 2019 and then spread to many countries worldwide. Initially, it was named Coronavirus disease 2019, and then it was called COVID-19. COVID-19 is an ongoing pandemic with 60.2 million confirmed cases and a leading health concern for the public worldwide. Mainly middle and old-aged people are being hospitalized and are dying across the affected countries. More than 1.42 million people have been deceased, and more than 41.5 million people have been recovered. Almost all the countries are fighting against the transmission of the virus by restricting travel and other daily life activities. Coronavirus outbreak causes many psychological disorders, such as fear of infection and death.
On the other hand, COVID-19 has resulted in some positive consequences on the environment due to restricted human activities. Environmental conditions, including air quality, global warming, water quality, change of biodiversity and ecosystem, and many more parameters, show a significant improvement in the meteorological graph. The overall environmental pollution has been reduced, and the earth is healing itself.