This article is the first installment of the series Water Diplomacy: Issues of Complexity Science and Negotiation Theory — Farmers in California’s Central Valley prominently display signs along the highway reading “Congress created this dustbowl,” while, in Los Angeles, the water conservation mascot “Lawn Dude”, prominently displayed on billboards in and around the city, reminds residents to stick within regulated limits for watering their lawns. Though the drought itself is not record-breaking, a combination of severe groundwater depletion, water shortages along the Colorado River, and rising heat (and thus evaporation) have created a critical water supply problem for the state