How effective the UN in dealing with global problems. What will the International
System look like in the year 2050?
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sorry which class question it is
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In 1950, five years after the founding of the United Nations, world population was estimated at around 2.6 billion people. It reached 5 billion in 1987and 6 billion in 1999. In October 2011, the global population was estimated to be 7 billion. A global movement "7 Billion Actions" was launched to mark this milestone. The world’s population is expected to increase by 2 billion persons in the next 30 years, from 7.7 billion currently to 9.7 billion in 2050 and could peak at nearly 11 billion around 2100.
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