The Overview for the Greenhouse-gas Emission Characteristics and Intensity in the Electric Power Industry

China has ranked the first in carbon emission in the world, and the electric power industry is listed as the predominant field in all industries, which causes the biggest environmental pollution. It is useful to identify the carbon emission sources in electric power industry in China and concludes the possible ways to calculate the greenhouse gases emissions. It will be the base to set up the possible estimation model for emission, and help to analyze the methods to reduce the emission.