Abstract

Energy and carbon emission intensities are derived from 1995 input-output table in Japan. Intensities of building materials such as gravel, concrete, plywood, steel and tiles are analyzed in detail. Consequently, the percentages of carbon intensities from the direct energy input and the cargo transportation of those building materials are known. Also the percentages of CO_2 emission from the building industry and the civil engineering industry are calculated, which decreased to 9.5% and 9.7% of all CO_2 emission in Japan compared with 12.1% and 11% in 1990.

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