Environmentalists huh? What was once a bustling makeshift city is now a largely abandoned garbage pit. Teepees and yurts, thousands of sheets of plywood and tents, kerosene and propane stoves, diesel and gasoline generators, food, clothing, cars and mountains of human waste lie in what was once a pristine floodplain that abutted the Standing Rock Sioux Reservation. Nothing but bison and horses roamed here. Unless the debris is moved, state officials say it will wash into and contaminate the Missouri River. Already 250 loads of trash have been removed, but much more remains. And police say they need to get everyone out to finish the job.