I just heard an awesome discussion with Allan Savory, a pioneer of holistic management. Long ago, large herds of wild herbivores roamed grasslands throughout the world. Humankind shifted grassland ecology with a focus on smaller herds of domestic livestock that were confined to relatively small spaces. This has contributed to desertification of grasslands across the planet. Holistic Management helps people develop strategies for managing herds of domestic livestock to mimic those wild herds and heal the land.
Here's a couple of videos on this idea:
Savory's work has wide implications, from revitalizing grasslands to managing deterioration of national parks and other public lands, especially in the more arid regions of the United States.
Some links:
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