From the producers of An Inconvenient Truth, Food, Inc., and Waiting For Superman, Last Call at the Oasis is a documentary examining the global water crisis. With the help of environmental activist Erin Brockovich and other renowned experts, the film travels throughout North America, shedding light on the vital role water plays in our lives, exposing the defects in the current system, and looking at communities in California and Nevada already struggling with its ill-effects and individuals who are championing revolutionary solutions.