China did not turn on some of the pollution control technology that was already built until recent air pollution protests. It adds over $16 billion/year to electricity prices
Cleaning up the air pollution from coal, still leaves the mining deaths, solid and liquid waste, and the transportation deaths. Plus the mitigation technologies increase the operating costs and lower the efficiency of the plants. There are 84 different pollutants in coal pollution so there is a lot of different technology needed to control the …