| http://www.w3.org/ns/prov#value | - ???The challenge before us today is to increase global food supplies by 60 percent to feed 9 billion people in 2050,??? Ann Tutwiler told the audience. ???This is as great a challenge as faced us in the early 1960s, at the beginning of what we call the Green Revolution.??? The Green Revolution initially focused on Asia, particularly in India and China, countries which suffered severe famines, she
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