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Sahel Countries in Race Against Time to Regreen Africa's Spreading Desert

The areas surrounding the Sahara desert which decades ago were covered with forests, crops and grasslands, can be restored — a significant chunk of them by 2030 — agriculture experts said after viewing the results of a detailed survey of the region. For the first time, the Sahel area straddling 27 countries has been mapped in painstaking detail showing where and how the work can be done — and just how big the job is to create what is called Africa's Great Green Wall. Home to some...

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