“Driving along the highway from the airport, they had passed mile upon mile of grain elevators, marking the most productive land in Mexico, but when they reached the place where Google Maps said the river should be, there was nothing but a dusty, toxic-looking trickle. The river — that great, fertile river that the first Spaniards had compared to the Nile — had been dammed long ago, diverted by a huge aqueduct to the factories in Hermosillo and Ciudad Obregón, and all that remained in the traditional villages was polluted, unsafe for irrigation or to drink.” EconomyEnvironmentFactoriesPollutionIndustrializationExternalities Book:The White Rock Source: The White Rock