"Did someone lose their dog?” Quannah Chasinghorse jokes, pointing at a large moose in her neighbor’s snow-covered yard. At -40 degrees Fahrenheit, it is a typical winter’s day in Fairbanks, Alaska. Chasinghorse, an 18-year-old Han Gwich’in and Oglala Lakota youth, is curled up on the couch, wearing a shirt emblazoned with the slogan “Protect the Arctic, Defend the Sacred.”