[Extract] I believe we have a problem — a big problem. According to demographers, by the end of this century we'll have around 11 billion mouths to feed. Most of the additional 4 billion people alive then will be in developing nations. For instance, Africa's population will nearly quadruple, with the population of Nigeria — already veering toward social and economic chaos — rising by 500 percent. These are incredible figures, and they underscore momentous challenges ahead — for global food security, social welfare, immigration, national security and the environment. How will we feed so many people? As my colleagues and I explained in a recent review article, current projections suggest global food demand will roughly double by 2050. There seem to be two very different paths we can take to get there.
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Ensia
3 April 2014
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7
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