The COVID-19 coronavirus pandemic is an unparalleled threat intoday's quickly developing climate, and we face it as a global community. Like climate change, it is challenging our resilience from environmental health, social security, and government, to knowledge exchange and economic policy in all sectors of the economy and all fields of growth. So much as climate change, everybody's coming together would require the initiative. Throughout Europe and America, several organizations have mobilized to ensure that the neediest are not left behind, encouraging emergencies and disruptions avoidance and preparedness. The coronavirus outbreak has highlighted the growing community's strengths and vulnerabilities that it has influenced, and has provided us with the ability to benefit from each other's accomplishments and shortcomings. The comparison graph has also been shown in this paper displaying European and American scenarios. The globe might feel smaller amid disaster states and global travel bans, but it is a period when teamwork and looking outward were never more relevant.
Big Data is a massive collection of data that continues to grow dramatically
over time. It is a data set that is so huge and complicated that no standard data
management technologies can effectively store or process it. Big data is similar to
regular data, but it is much larger. There's no doubt that the volumes of data presently
available are vast, but that's not the essential element of this new data ecosystem,” says
one expert. The term big data is now commonly used to refer to the application of
predictive analytics. New correlations can be discovered by analyzing data sets to identify economic trends, prevent diseases, combat crime, and so on.” In sectors such
as Internet searches, financial technology, healthcare analytics, geographic information
systems, urban informatics, and business informatics, scientists, corporate executives,
medical practitioners, advertising, and governments all face challenges with enormous
data sets.
Day by day, because of the increase in the population, energy use also
increases, leading this generation towards the end of Non-Renewable sources. A free
quotation which is completely unutilized, is available, but very few people are
interested in using it, which is Solar Energy. In Solar Energy, this generation can have
one-time investments and utilize a free energy source for a long time. The main
problem is trust and past investments, which few governments support by giving
multiple subsidies and benefits to those who want to use them. In this chapter, the
author enlightens the technical know-how of Solar energy systems and their advantages
and disadvantages from a technical perspective.
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