World population to surpass 7 billion in 2011; Explosive population growth means challenges for developing nations

World population to surpass 7 billion in 2011; Explosive population growth means challenges for developing nations
Global population is expected to hit 7 billion later this year, up from 6 billion in 1999. Between now and 2050, an estimated 2.3 billion more people will be added — nearly as many as inhabited the planet as recently as 1950. New estimates from the Population Division of the Department of Economic and Social Affairs of the United Nations also project that the population will reach 10.1 billion in 2100.

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