In terms of energy demand, supply and consumption,
coal plays a dominant part in China,making up 70 percent of
its fuel consumption. So the huge energy consumption in
building industry not only consumes a lot of non-renewable
resource but also contributes the emissions of harmful
substances into the atmosphere. Statistics from International
Energy Agency (IEA) show that the CO2 emission in 2010
exceeded 7.5 billion tons in China, which is largely generated
from coal and accounts for 25% of the global emissions [25].