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本レポートは、世界平均気温の上昇を産業革命前と比べて１.5℃以内に抑えるという目標の達成に向けて、2050年までにカーボンニュートラルを実現するだけではなく、累積排出量をできる限り小さくする観点から、日本国内で早期に大幅な温室効果ガス（GHG）排出量削減を果たす可能性を検討し、その実現のためのアクションプランをまとめたものである。 2024年4月2日更新 謝辞の追記、出典の追記、誤記の修正を行いました。 企業の方向けに使いやすく再構成した「 1.5℃ロードマップ - 脱炭素でチャンスをつかむ。未来をつくる。 」もご活用ください。

This report examines the feasibility of Japan not only achieving carbon neutrality by 2050, but also making significant reductions in greenhouse gas (GHG) emissions, so as to make its cumulative emissions as small as possible, thereby contributing to the global goal of limiting the average temperature increase to below 1.5°C compared to the pre...

This IGES Issue Brief is an update on policy developments related to sustainable finance in Japan between May 2022 and August 2022. The Expert Panel on Sustainable Finance under the Financial Services Agency (FSA) published the ‘Second Report by the Expert Panel on Sustainable Finance,’ outlining the progress of developments over the past year and...

This paper examines the effects of financial incentives, particularly electricity prices, on residential solar photovoltaic system installations. We shed light on the importance of a factor that has been largely overlooked in the literature on the adoption behavior of low-carbon building technologies: the distinction between retrofit and new-build...

This IGES Issue Brief is an update of policy developments related to sustainable finance in Japan between February 2022 and April 2022. In this period, policy work pertaining to sustainability-related disclosure continued on multiple fronts. At the Financial Services Agency (FSA), the ‘Working Group on Corporate Disclosure of the Financial System...

This IGES Issue Brief is an update of policy developments related to sustainable finance in Japan between October 2021 and January 2022. The highlights of developments on sustainable finance in this period was work pertaining to sustainability-related disclosure. At the Financial Services Agency (FSA), the ‘Disclosure Working Group’ continued with...

This IGES Issue Brief is an update of policy developments related to sustainable finance in Japan between June 2021 and September 2021 . SUMMARY Notably for this period, the Expert Panel on Sustainable Finance under the Financial Services Agency (FSA) issued ‘The Report by the Expert Panel on Sustainable Finance’ in mid-June. Building on the...

The world's major investors, banks and other financial institutions are taking note of the upcoming 26 th meeting of the Conference of the Parties (COP26) to the United Nations Framework Convention on Climate Change (UNFCCC) to be held in November 2021, and they are committing to take actions in line with the Paris Agreement on Net Zero. At the...

世界の主要な投資家や銀行などの金融機関は、 2021 年 11 月に開催される国連気候変動枠組条約（ UNFCCC ）第 26 回締約国会議（ COP26 ）に注目しつつ、「パリ協定」や「ネット・ゼロ」に沿った行動をとることを約束している。これと並行して、投資家や金融機関の間では、生物多様性に関連する投資ポートフォリオのリスクを懸念する声が高まっている 。これは、気候変動と生物多様性の間に重要な関連性、すなわち、相乗効果やトレードオフがあることや、生物多様性の破壊を含む生態系への人間の影響が COVID-19 のような感染症の拡大に関係している可能性が認識されつつあるためと考えられる。本イシューブリーフでは...

This IGES Issue Brief is an update of policy developments related to sustainable finance in Japan between March 2021 and May 2021. March to May was a busy period for Japan’s sustainable finance policy, as several key outputs likely to shape Japan’s sustainable finance were issued. The Ministry of Economy, Trade and Industry (METI), the Financial...