We’re already well aware that the American Southwest, which is naturally hot and dry, is seriously strapped for water. And the situation is getting worse every day, with populations in California, Nevada, Arizona, and New Mexico continuing an unimpeded growth trend that began decades ago. The fact there are too many people vying for limited resources in the region have lead experts to predict a major water shortfall that will cost billions to ameliorate. But add in a new study that reveals climate change is going to dry out the region even further, and we’re slated to see a potentially catastrophic water shortage.