Covid-19 Pandemic Era

Covid-19 is a world pandemic disease which teaches us so many bonds between humans, between relationships, between research and between Earth. Therefore these days we spend our most life days from our home. It helps to learn love, care, and protect. If we let know about Covid-19, which is a SARS virus. Virus always can change their capsid, therfore we cannot invent any suitable vaccine Before Covid-19, if we analyse our earlier Earth Observation datas, we will perceive how much our Earth is vulnarability from Air pollution, noise pollution, water pollution and green gas effect etc. After Covid-19, Earth Observation datas shows, how much air quality, water quality and green gas effects decrease.