Egyptian researchers discover a way to grow forests in the desert with sewage
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Desertification is a major issue throughout Africa, but there’s a simple way to stop the spread of deserts onto fertile land: planting forests. The problem is that in the regions hardest hit by the phenomenon, there simply isn’t enough clean water to properly nurture the trees and keep them healthy. But an innovative project in Egypt proves that it can be done using repurposed wastewater instead of tapping into the sparse fresh water supply. Located about two hours...