Forget Silicon Valley. The most innovative "smart technology" for water management might have been invented 1,500 years ago in the Algerian desert. Host Hugo Powell welcomes Momin Ashraf—Oxford graduate, Esri Young Scholar Award winner, and GIS consultant at Satellite Applications Catapult. Momin has done the impossible: using synthetic aperture radar to spot fuel trucks in the desert and tracking human trafficking via informal mines. But his dream map is something entirely different. He want...