By stopping the use of unsustainable farming practices and finding ways to restore the soil in areas already plagued by desertification. This is easier said than done, the world-wide problem is complex and complicated by such interplaying areas as politics and economic development. The problem needs to be addressed case by case, there is no universal one solution fits all. For example, in parts of the Sahel, some farmers have been using methods such as zai to effectively stop desertification and restore the soil on their lands.
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