Lanzhou, the capital of Gansu province, is a regional hub between the eastern and western regions of the People’s Republic of China (PRC). The main city is located on the banks of the Yellow River and contained within a narrow east–west valley with steep terrain at both the north and south that effectively constrains further expansion of the city.
Yichang is a prefecture-level in the People’s Republic of China (PRC) and Hubei province’s second largest city after Wuhan, the provincial capital. While as of the end of 2011, its urbanization rate was well below the national average, its urban population was forecasted to increase to 2.8 million by 2030 due to continuing migration.
During 2000−2010, the People’s Republic of China (PRC) experienced double-digit economic growth and equally rapid growth in energy demand. Primary energy demand grew more than 110%, with carbon-intensive coal as the dominant source.
The Qinling Mountains, about 45 kilometers (km) southwest of Xi’an, the capital city of Shaanxi province in the People’s Republic of China (PRC), are a global biodiversity hotspot, supporting many endangered, rare, and/or endemic plant and animal species.
In 2011, 27% of the rural population of Yunnan, a mountainous area located in the southwest of the People’s Republic of China (PRC), was living below the national poverty line. The large poverty pockets were linked to inadequate road access, limited arable land, and cultural barriers to outmigration.