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68% of world population to live in urban areas by 2050: UN Chief
United Nations Secretary-General Antonio Guterres in his message on World Population Day, July 11, said with 68 percent of the world population projected to live in urban areas by 2050, sustainable development and climate change will increasingly depend on the successful management of urban growth.
World population-food supply  balance unstable
Researchers report that as the world population increases and food demand has grown, globalization of trade has made the food supply more sensitive to environmental and market fluctuations.

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