Shizuishan of Ningxia embarks on a sustainable path to development For decades,coal mining has been the lifeline for residents of Shizuishan City in the north of Ningxia Hui Autonomous Region.But reckless extraction of coal resources has given rise to a pollution nightmare.In 2008,the National Development and Reform Commission listed the city as one of China’s resourceexhausted cities. Shizuishan of Ningxia embarks on a sustainable path to development For decades, coal mining has been the lifeline for residents of Shizuishan City in the north of Ningxia Hui Autonomous Region. But reckless extraction of coal resources has given rise to a pollution nightmare. In 2008, the National Development and Reform Commission listed the city as one of China’s resourceexhausted cities.