articleProceedings of the National Academy of SciencesDec 12, 2016BRONZE OA

Can sub-Saharan Africa feed itself?

Wageningen University & Research · University of Nebraska–Lincoln · +13 more institutions

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Abstract

Although global food demand is expected to increase 60% by 2050 compared with 2005/2007, the rise will be much greater in sub-Saharan Africa (SSA). Indeed, SSA is the region at greatest food security risk because by 2050 its population will increase 2.5-fold and demand for cereals approximately triple, whereas current levels of cereal consumption already depend on substantial imports. At issue is whether SSA can meet this vast increase in cereal demand without greater reliance on cereal imports or major expansion of agricultural area and associated biodiversity loss and greenhouse gas emissions. Recent studies indicate that the global increase in food demand by 2050 can be met through closing the gap between…

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865
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100%
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Authors

26

Topics & keywords

Keywords
  • Yield (engineering)
  • Yield gap
  • Greenhouse gas
  • Closure (psychology)
  • Consumption (sociology)
  • Environmental science
  • Natural resource economics
  • Agricultural economics
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