Citation: http://edition.cnn.com/2013/10/22/world/asia/china-smog-lingers/index.html?c=world
On TV, one of the analysts who are familiar with environmental problems in China said "It's because rapid increase of electricity consumption caused extraordinary amount of CO2 emission".
Then, I realized how harsh it is to consume fossil fuels excessively.
Everytime an incident caused by polluted water in Fukushima Nuclear Power Plant happens, TV reporters insist on the importance of abolishing nuclear power plants. I doubt they can imagine risks of other energy sources.