Tianjin is the largest coastal city in northern China. In terms of urban population, Tianjin is the fourth largest in China, after Shanghai, Beijing, and Guangzhou. In terms of administrative area population, Tianjin ranks fifth in Mainland China. The walled city of Tianjin was built in 1404. As a treaty port since 1860, Tianjin has been a major seaport and gateway to Beijing. During the Boxer Rebellion the city was the seat of the Tianjin Provisional Government. Under the Qing dynasty and the Republic of China, Tianjin became one of the largest cities in the region. At that time, numerous European-style
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