What is humanity's capacity to feed itself?
January 11, 2008 11:31 PM Subscribe
In 1798, English economist Thomas Malthus promised "Famine ... the last, the most dreadful resource of nature." It took another 125 years for world population to double, but only 50 more for it to redouble. By the 1940s, Mexico, China, India, Russia, and Europe were hungry.
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