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Analysis Of The 2030 Emissions Reduction Targets Of The Previous And Current Nationally Determined Contributions Of Japan, And A Comparison Between Countries Using Energy-Technology And Energy-Economic Models

Author

Listed:
  • (Corresponding author) Keigo Akimoto

    (Research Institute of Innovative Technology for the Earth)

  • Fuminori Sano
  • Takashi Homma
  • Miyuki Nagashima
  • Naoko Onishi

Abstract

The Paris Agreement requires each participating country to prepare its nationally determined contributions (NDCs). In 2020, Japan submitted a 26 per cent emissions reduction target for 2030, and resubmitted a 46 per cent target (relative to 2013) in 2021. This paper provides an assessment of the Japanese emissions reduction efforts vis-à -vis other NDCs and international comparisons among countries using several different indicators. The carbon dioxide marginal abatement costs in Japan are expected to be approximately $450/tCO2 eq in 2030, which is consistent with the 1.5°C pathways. Costs in the European and North American countries are at similar levels.

Suggested Citation

  • (Corresponding author) Keigo Akimoto & Fuminori Sano & Takashi Homma & Miyuki Nagashima & Naoko Onishi, 2023. "Analysis Of The 2030 Emissions Reduction Targets Of The Previous And Current Nationally Determined Contributions Of Japan, And A Comparison Between Countries Using Energy-Technology And Energy-Economi," Asia-Pacific Sustainable Development Journal, United Nations Economic and Social Commission for Asia and the Pacific (ESCAP), vol. 30(1), pages 19-41, May.
    • Handle: RePEc:unt:japsdj:v:30:y:2023:i:1:p:19-41
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    References listed on IDEAS

    as
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    climate change mitigation; greenhouse gas emission; marginal abatement cost; nationally determined contributions; climate policy of Japan;
    All these keywords.

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • Q41 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Demand and Supply; Prices
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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