Vox: It's no secret that the American West is facing a severe water crisis.
The region -- home to over 60 million people and a huge chunk of US agriculture -- is in its 15th year of drought. Texas has suffered more than $25 billion in damages so far. Las Vegas is worried about plummeting water levels in Lake Mead. California has received so little rain that farmers are pillaging the state's hard-to-replenish groundwater aquifers at a shocking rate:
Maps of dry season (SeptemberNovember) total water...