In order to response to the global warming trend, control greenhouse gas emissions effectively, reduce the carbon emissions, establishment conforms to the situation of China civil building greenhouse gas emissions and emissions measurement method, and provide evaluation on the basis of the whole society construction carbon emission reduction work, China Real Estate Research Association entrusts Zero Carbon System to provide technical research, consulting and other services for the 2011 soft science research, 《Civil construction of greenhouse gas emissions and emissions measurement method》, which was set up by the department of housing and urban-rural development.