Just before the Trump administration headed out the door, a federal agency this past December cleared the way for a private company to begin pumping groundwater from under the Mojave Trails National Monument in Southern California. The Cadiz water project would extract roughly 16.3 billion gallons of groundwater every year for 50 years from aquifers north of Joshua Tree National Park. The project would overtax the surrounding environment, according to environmentalists who filed a lawsuit to halt the project Tuesday.