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

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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 - Aug 21 2012

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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

All Science Journal Classification (ASJC) codes

  • 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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