Millions of people thrive in the American West’s deserts today, but not every is thriving. You’ve probably heard of droughts and wildfires in California, of groundwater drying up in Arizona, and of entire communities, like those on the Navajo Nation, that have been left without running water. The region is finally coming to terms with decades of infrastructure projects, coupled with using more water than nature can provide, as the threat of climate change moves in. Cheddar explains why the American West is running out of water.