“A century’s worth of unchecked growth…has brought prosperity to many. But it also has altered the landscape in ways that have made both the droughts and the floods more destructive and made that prosperity fleeting. Much of the region sits atop the overtaxed Gulf Coast Aquifer, and though efforts have made over the last 40 years to limit withdrawals from it, enough water has been sucked out of it that the ground still subsides in some places, altering runoff patterns and allowing flood waters to gather.

What’s more, those more than 2 million newcomers to the region are living in houses and driving on roads and shopping in stores built atop what once was prairie that could have absorbed at least some of the fury of this flood and the next. What once was land that might have softened the storm’s blow is now, in many cases, collateral damage in what could turn out to be a $40 billion disaster.” …Read more from the New York Times