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Alexandros K. Makarigakis and Blanca Elena Jimenez-Cisneros
The current world population of 7.6 billion is expected to reach 8.6 billion in 2030, 9.8 billion in 2050 and 11.2 billion in 210, with roughly 83 million people being added every year. The upward trend in population size along with an improved quality o...
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