https://www.nytimes.com/2017/01/18/world/asia/china-coal-power-plants-pollution.html?_r=0

http://www.sciencealert.com/the-end-of-coal-is-near-china-just-scrapped-103-power-plants

Each new coal powered plant reduced the Rice harvest because of smog and pollution. Not hard to decide that you can't build more of them.