One of the great accomplishments of the human imagination has been growing more food on less farmland. Today, it takes 70% less land to feed someone than it took 50 years ago – even though the calories the average person consumes have increased dramatically. In India, crop yields have quadrupled since 1961; in Brazil, they’ve quintupled.
In recent years, however, the gains have slowed. For example, the acreage needed to grow the world’s grains, fruits, vegetables, and especially oil crops like soybeans and canola is on the rise, according to recent data from the U.N. Food and Agriculture Organization (FAO).
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