This paper estimates the cost of a policy to restrict water trades to mining firms in northern Chile to protect riparian ecosystems and indigenous agriculture. In response to the policy, mining firms have developed high-cost desalination and pumping facilities to secure adequate water supplies....

The 1930's American Dust Bowl created archetypal "Dust Bowl migrants," refugees from environmental collapse and economic upheaval. I examine this archetype, comparing migration from more-eroded counties and less-eroded counties to distinguish Dust Bowl migrants from other migrants in this era....