Ben Davidson is not a nut case, good info here, but it will take time. Note that this has happened before, as oil is found in places too cold to grow plants that decompose into oil, etc.
We’re Running Out of Time to Reverse Desertification
STORY AT-A-GLANCE The conversion of large amounts of fertile land to desert has long been thought to be caused by livestock, such as sheep and cattle overgrazing and giving off methane. This has now been shown to be incorrect, as removing animals to protect lands speeds up desertification
According to Allan Savory, an African ecologist, dramatically increasing the number of grazing livestock is the only thing that can reverse both desertification and climate change
Concentrated animal feeding operations (CAFOs) and large-scale monocrop farms directly contribute to climate change and environmental pollution
To improve soil quality, we must improve its ability to maintain water. Once land has turned to bone-dry desert, any rain simply evaporates and/or runs off. The solution is twofold: The ground must be covered with vegetation, and animals must roam across the land
In the documentary, “Running Out of Time,” Savory details his holistic herd and land management plan, and shows how land that has turned to desert can be brought back to become fertile and productive once again through the use of livestock
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