Elizabeth Chiles Shelburne, who goes on to suggest Agricultural investment in sub-Saharan Africa as that ‘something big.’
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We’re still multiplying—global population is on track to reach 9.1 billion by 2050, up from 6.8 billion today. And the green revolution seems to have run its course: rice yields, for instance, are growing at only 1 percent a year, down from 2.3 percent in the 1960s, 1970s, and 1980s. For the past several years, grain production has not kept up with demand; if we are to put enough food on the table in the coming decades, something big will need to change.
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