BY 2050 the global population is projected to reach 9.7 billion. At the same time, climate change is putting increasing pressure on agricultural land. At the annual meeting of the American Association for the Advancement of Science (AAAS) in Seattle, Alok Jha, The Economist’s science correspondent, speaks to nutritionists, genetic engineers and computer scientists to find out whether the planet can sustainably feed future generations. How could genetic engineering make key crops more productive, resilient and nutritious? And could harvesting more data help farmers get more from their fields? Runtime: 31 min

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