"Discovering an Oasis in the American Desert
"Geoff Lawton discovers an oasis in the middle of the Sonoran desert in Arizona. Link to Video
The system was created 80 years ago. Built during the Roosevelt era, with horse and cart during the Great Depression it remained lost and forgotten for 80 Years! Now thanks to Google Earth imagining, Geoff Lawton tracked it down and discovered a forgotten swale system that was designed to passively harvest water and build soil - without human assistance.
We could re-green a lot of deserts this way and plant an oasis of productive fruit trees. Find out how they did it!"