Carbon emissions in the construction sector based on input-output analyses

The carbon emissions of the Chinese construction sector and their influence related to other sectors were evaluated using the concept of related carbon emissions. The related carbon emissions are divided into direct and indirect carbon emissions, with the input-output analysis approach used to calculate the indirect emissions. The direct, indirect and related carbon emissions for the construction sector and other sectors were calculated for 2002, 2005 and 2007 using the related carbon emission coefficients and the carbon emission pull effect coefficients. The results show that the related carbon emissions of the construction sector were 95.12 million tons in 2002, 130.07 million tons in 2005, 181.14 million tons in 2007, and the related carbon emission coefficients were 3.41, 3.26 and 2.89 in those years. In 2007, the related carbon emissions of the construction sector were the second among 25 sectors, while the related carbon emission coefficient was the ninth, which indicates the predominant role of the construction sector in carbon emissions, especially its huge pull effects.