Can we feed billions more?

At some 7 billion people, the world can sometimes seem like a crowded place. But if the latest estimates are to be believed, then in less than a century it is going to feel even more so -- about 50% more crowded, in fact. Such dizzying numbers understandably raise an important question, one that we have been wrestling with at least since Thomas Malthus famously predicted that rising populations would create a food crunch: Can the world's supply of food continue to meet demand?

via CNN.com - Top Stories {



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