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

研究成果: ジャーナルへの寄稿学術誌査読

53 被引用数 (Scopus)

抄録

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.

本文言語英語
ページ(範囲)9146-9154
ページ数9
ジャーナルEnvironmental Science and Technology
46
16
DOI
出版ステータス出版済み - 8月 21 2012

!!!All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 環境化学

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