Administrative divisions of China By its political level, when a "city" is referred to, it can be a: By its actual area and population, it can be: When used in the statistical data, the word "city" may have three different meanings: It is important to specify the definition of "city" when referring to statistical data of Chinese cities, otherwise, confusion may arise. For example, Shanghai is the largest city in China by population in the urban area but is smaller than Chongqing by the population within the administration area. Before the establishment of the Qin Dynasty, China was ruled by a network of kings,
Coal in China of 38.6% compared to the US with 37.4%. . In 2009, China required companies building new plants to retire an old plant for every new one built. In 2015, an IMF study showed that China has the largest cost of air pollution effects in the world. Coal in China China is the largest producer and consumer of coal in the world and is the largest user of coal-derived electricity. The consumption of coal has declined during the 2010s with its percentage in the energy mix falling from 80% in 2010 to 60% in 2017. Domestic coal production has also greatly