Households account for about 18 percent of total energy use in the Beijing region but produce 50 percent of black carbon emissions and 69 percent of organic carbon emissions, according to a research team from institutions including Princeton, the University of California Berkeley, Peking University and Tsinghua University. In the Beijing area, households contribute more pollutants in the form of small soot particles (which are particularly hazardous to human health) than the transportation sector and power plants combined; in the winter heating season, households also contribute more small particles than do industrial sources.

Read more at Princeton School of Engineering and Applied Science

Learn more: WHO Global Urban Ambient Air Pollution Database (update 2016) Act Now