More than 50 cities in China have wide-spread land subsidence, China Central Television (CCTV) reported Monday. As large as 79,000 square kilometers of land has dropped more than 200 millimeters, mainly due to excesive exploitation of underground water. The subsidence mainly occurs at the Yangtze River Delta, North China and plain areas covering North China’s Shanxi province and Northwest China’s Shaanxi province. Read More