Quantitative measurement of carbon emissions and emission reduction path of construction industry 并列题名：Quantitative measurement of carbon emissions and emission reduction path of construction industry Measurement and management of energy efficiency and emission reduction for petrochemical industry Characteristic of spatial-temporal evolution of carbon emissions and emissions reduction strategy on China's energy consumption Research on the current situation of the carbon emissions and the emission reduction paths in four municipalities of China Study on spatial measurement of carbon emission intensity in China and emission reduction path