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

(Corresponding author) Keigo Akimoto (), Fuminori Sano, Takashi Homma, Miyuki Nagashima and Naoko Onishi
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(Corresponding author) Keigo Akimoto: Research Institute of Innovative Technology for the Earth

Asia-Pacific Sustainable Development Journal, 2023, vol. 30, issue 1, 19-41

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.

Keywords: climate change mitigation; greenhouse gas emission; marginal abatement cost; nationally determined contributions; climate policy of Japan (search for similar items in EconPapers)
JEL-codes: C61 D58 Q41 Q43 Q54 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:unt:japsdj:v:30:y:2023:i:1:p:19-41

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