Bloomberg
Coal has been both an economic lifeline and an environmental threat to the Navajo and Hopi in Arizona. As coal-fired power plants around the West start shutting down, tribal leaders are looking for ways to diversify their economies.
Coal has been both an economic lifeline and an environmental threat to the Navajo and Hopi in Arizona. As coal-fired power plants around the West start shutting down, tribal leaders are looking for ways to diversify their economies.