Africa: Urban Wastewater for Food Security - Averting the Next Health Crisis in Africa -

By Christopher A. Scott - Wastewater from sewage that is churned out by expanding cities and towns worldwide helps meet food security globally, especially in developing regions. It is one resource (unlike land, labour, or freshwater) that is continuously growing in volume and used to cultivate vegetables, grains, animal feed, and fish at a larger scale than we ever realized.

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