Kathy Ferris, a senior research fellow at Arizona State University and co-author of the state's water law, joins environmental advocate Robin Silver and former city manager Chuck Patusik to discuss Arizona's critical 100-year water supply rule. They explore how this regulation impacts housing developments and urban planning amid water shortages. The conversation delves into the delicate balance between environmental preservation and economic growth, highlighting challenges facing the San Pedro River and the ongoing legal disputes over water resources.