Mass migration, starvation, civil unrest: Overpopulation unites all of these. Many nations’ threadbare economies, unable to cope with soaring births, could produce even greater waves of refugees beyond the millions already on the move to neighboring countries or the more prosperous havens of Europe. The population crisis is especially acute in Africa, as Eugene Linden writes in the accompanying article, but it spans the globe, from Central America to Asia.
Humanity has grown as expected since the warnings about global overpopulation of the 1960s. Decades of United Nations projections for the year …
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