Estimates of embodied global energy and air-emission intensities of japanese products for building a Japanese input-output life cycle assessment database with a global system boundary

Keisuke Nansai, Yasushi Kondo, Shigemi Kagawa, Sangwon Suh, Kenichi Nakajima, Rokuta Inaba, Susumu Tohno

    Research output: Contribution to journalArticle

    38 Citations (Scopus)

    Abstract

    To build a life cycle assessment (LCA) database of Japanese products embracing their global supply chains in a manner requiring lower time and labor burdens, this study estimates the intensity of embodied global environmental burden for commodities produced in Japan. The intensity of embodied global environmental burden is a measure of the environmental burden generated globally by unit production of the commodity and can be used as life cycle inventory data in LCA. The calculation employs an input-output LCA method with a global link input-output model that defines a global system boundary grounded in a simplified multiregional input-output framework. As results, the intensities of embodied global environmental burden for 406 Japanese commodities are determined in terms of energy consumption, greenhouse-gas emissions (carbon dioxide, methane, nitrous oxide, perfluorocarbons, hydrofluorocarbons, sulfur hexafluoride, and their summation), and air-pollutant emissions (nitrogen oxide and sulfur oxide). The uncertainties in the intensities of embodied global environmental burden attributable to the simplified structure of the global link input-output model are quantified using Monte Carlo simulation. In addition, by analyzing the structure of the embodied global greenhouse-gas intensities we characterize Japanese commodities in the context of LCA embracing global supply chains.

    Original languageEnglish
    Pages (from-to)9146-9154
    Number of pages9
    JournalEnvironmental Science and Technology
    Volume46
    Issue number16
    DOIs
    Publication statusPublished - 2012 Aug 21

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    Life cycle
    life cycle
    commodity
    air
    Air
    energy
    Greenhouse gases
    Supply chains
    greenhouse gas
    Sulfur Hexafluoride
    hydrofluorocarbon
    Fluorocarbons
    Air Pollutants
    Methane
    Nitrous Oxide
    assessment method
    nitrogen oxides
    Gas emissions
    nitrous oxide
    Carbon Dioxide

    ASJC Scopus subject areas

    • Chemistry(all)
    • Environmental Chemistry

    Cite this

    Estimates of embodied global energy and air-emission intensities of japanese products for building a Japanese input-output life cycle assessment database with a global system boundary. / Nansai, Keisuke; Kondo, Yasushi; Kagawa, Shigemi; Suh, Sangwon; Nakajima, Kenichi; Inaba, Rokuta; Tohno, Susumu.

    In: Environmental Science and Technology, Vol. 46, No. 16, 21.08.2012, p. 9146-9154.

    Research output: Contribution to journalArticle

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    AU - Suh, Sangwon

    AU - Nakajima, Kenichi

    AU - Inaba, Rokuta

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