de Buys, William. A Great Aridness: Climate Change and the Future of the American Southwest. (Oxford University Press, 2011) 

Staggering population growth, combined with the intensifying effects of climate change, is driving the oasis-based society of the American Southwest close to the brink of a Dust-Bowl-scale catastrophe.  William deBuys points a compelling picture of what it might look like when the heat turns up and the water runs out.

William deBuys is author of several prize-winning books about the Southwest. Learn more at his web page, here. A YouTube interview with deBuys is available here

Steinbeck, John, The Grapes of Wrath (Random House, Penguin Classics, 2006).

To understand the future, look to the past.