Characterization of economic requirements for a "carbon-debt-free country"

Keisuke Nansai, Shigemi Kagawa, Yasushi Kondo, Sangwon Suh, Kenichi Nakajima, Rokuta Inaba, Yuko Oshita, Takashi Morimoto, Kazumasa Kawashima, Takuji Terakawa, Susumu Tohno

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    In recent years, greenhouse gas emission controls that incorporate the supply chains of products and services, thereby emphasizing the role of consumers rather than producers, have been drawing increasing attention. A country's consumption-based emissions, including those due to global supply chains, reflect the total emissions on which the national economy relies. To design effective emissions control strategies there is therefore an urgent need for countries to elucidate the structural relationship between their domestic economy and emissions occurring through global supply chains. Here we consider the structural characteristics of consumption-based emissions in Japan, which in 2005 totaled 1675 Mt CO 2eq. Outside the country the Japanese economy generated global emissions of 541 Mt CO 2eq, 35.7% of which were UNFCCC Annex I emissions and 64.3% were non-Annex I and other emissions. This figure of 64.3% reveals that Japan is actually relying to a considerable degree on emissions that are subject to no international obligations. We identify key economic contributors to consumption-based emissions at the commodity level and specify items of household expenditure that are effective options for both financial savings and emissions reduction. We then discuss the importance of emissions control for evolving toward a "carbon-debt-free country".

    Original languageEnglish
    Pages (from-to)155-163
    Number of pages9
    JournalEnvironmental Science and Technology
    Volume46
    Issue number1
    DOIs
    Publication statusPublished - 2012 Jan 3

    Fingerprint

    Emission control
    debt
    Supply chains
    Carbon
    Carbon Monoxide
    Economics
    carbon
    economics
    emission control
    Gas emissions
    Greenhouse gases
    household expenditure
    United Nations Framework Convention on Climate Change
    national economy
    commodity
    savings
    greenhouse gas

    ASJC Scopus subject areas

    • Chemistry(all)
    • Environmental Chemistry

    Cite this

    Characterization of economic requirements for a "carbon-debt-free country". / Nansai, Keisuke; Kagawa, Shigemi; Kondo, Yasushi; Suh, Sangwon; Nakajima, Kenichi; Inaba, Rokuta; Oshita, Yuko; Morimoto, Takashi; Kawashima, Kazumasa; Terakawa, Takuji; Tohno, Susumu.

    In: Environmental Science and Technology, Vol. 46, No. 1, 03.01.2012, p. 155-163.

    Research output: Contribution to journalArticle

    Nansai, K, Kagawa, S, Kondo, Y, Suh, S, Nakajima, K, Inaba, R, Oshita, Y, Morimoto, T, Kawashima, K, Terakawa, T & Tohno, S 2012, 'Characterization of economic requirements for a "carbon-debt-free country"', Environmental Science and Technology, vol. 46, no. 1, pp. 155-163. https://doi.org/10.1021/es202007b
    Nansai, Keisuke ; Kagawa, Shigemi ; Kondo, Yasushi ; Suh, Sangwon ; Nakajima, Kenichi ; Inaba, Rokuta ; Oshita, Yuko ; Morimoto, Takashi ; Kawashima, Kazumasa ; Terakawa, Takuji ; Tohno, Susumu. / Characterization of economic requirements for a "carbon-debt-free country". In: Environmental Science and Technology. 2012 ; Vol. 46, No. 1. pp. 155-163.
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