It is possible to Restore, Regreen, Cool Temps, Bring back the Water, Here are Examples Worldwide

UVPCGG has been teaching and demonstrating how to design and implement Rainwater catching, passively moving from roof, street, house and throughout land on contour in hugelbeds, swales, trenches, infiltration basins water using less and less water in our 8th year demonstration Food Forest. We planted Native Hardy Drought Resistant Trees, Berry Bushes, Root Crops, Herbs and Perennial Plants, Using mulch, and other Permaculture Techniques for Cold Temperate Climate in the Desert.

Here are some of the best examples of this method around the world: https://youtu.be/31OfSHQJRvQ