Increase water harvesting in Africa
January 4, 2019
Ensuring that the world’s food needs are met by 2050 will take a doubling of global food production. to improve agricultural yields on that scale will require a radical rethink of global water-management strategies and policies.
Sub-Saharan Africa is the epicenter of this challenge. the region’s population is set to more than double by 2050 at almost 2.5 billion, or 25% of the world’s projected population. half of its current one billion inhabitants live in extreme poverty. one-quarter is undernourished, and one-fifth faces serious water shortages. although almost two-thirds of the population are rural, agriculture on much of the land is limited by scarce, variable and unpredictable water resources.
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