Hunger and famine were a normal part of life throughout most of history. Today, people have access to, on average, over 2,500 calories per day (including an average of 2,400 in India, 2,600 in Africa, and 3,100 in China). And the extra food isn’t all going to the wealthy; measures of stunted growth and undernourishment are declining in some of the world’s poorest regions, and worldwide deaths from famine are also down. Technology was critical in this achievement: mechanization of farming, synthetic fertilizer, better crop varieties, and now genetic engineering.
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