Impacts of productive efficiency improvement in the global metal industry on CO2 emissions

Hirotaka Takayabu, Shigemi Kagawa, Hidemichi Fujii, Shunsuke Managi, S. Eguchi

研究成果: ジャーナルへの寄稿学術誌査読

20 被引用数 (Scopus)

抄録

This study focused on 14 metal sectors of the 40 countries that are the largest CO2 emitters and developed a new analysis framework to estimate CO2 reduction potentials based on the Greenhouse Gas Protocol through efficiency improvement of the inefficient metal sector of these countries. The analysis framework was developed by combining a multi-regional input-output database with data envelopment analysis. We found that there were 20 inefficient countries in the basic iron and steel sector, which is the largest CO2 emitter among 14 metal sectors, and their efficiency improvements can contribute to reducing CO2 emissions by 354 Mt, accounting for 1.4% of the global CO2 emissions. We further proposed efficiency improvement schemes targeting the inefficient countries in order to help those countries to effectively reduce CO2 emissions according to their sectoral and national characteristics.

本文言語英語
論文番号109261
ジャーナルJournal of Environmental Management
248
DOI
出版ステータス出版済み - 10月 15 2019

!!!All Science Journal Classification (ASJC) codes

  • 環境工学
  • 廃棄物管理と処理
  • マネジメント、モニタリング、政策と法律

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