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Working Paper
While the initial pieces of evidence indicate that COVID-19 induced economic slowdown and lockdown present short-term benefits to air quality and the environment, these also pose a double-edged challenge in the long-term. On one side, the slowing down of the economy can have an adverse impact on countries’ ongoing efforts towards climate mitigation...
Working Paper
This paper assesses the potential for improving the CO2 intensity of Japan’s electricity sector—the units of carbon dioxide emitted per units of electricity generated—by examining the potential for the feasibility of restarting nuclear power plants and increasing renewable electricity generation by 2030. The analysis shows that, utilizing these two...
Working Paper
On 17 July 2015, the Japanese government unveiled its Intended Nationally Determined Contribution (INDC) to reduce its greenhouse gas (GHG) emissions by 26% below FY 2013 levels by FY 2030 (25.4% reduction below FY 2005 levels). The government also approved the outlook for long-term energy supply and demand, which stipulates that in 2030 the share...
Working Paper
明日香 壽川
 本研究は、産業革命前からの地球温暖化を一定のレベルに抑制するための累積温室効果ガス(GHG)排出許容量である世界全体のカーボン・バジェットと、GHG排出削減努力の各国分担において広く参照される公平性基準に基づいた努力分担方法を用いて、日本に「公平」に割り当てられるカーボン・バジェットを算出した。同時に、日本について算出されたカーボン・バジェット内に排出量を抑えるための2100年までの例示的なGHG排出経路も明らかにし、本研究でのレファレンス・シナリオである日本の現行の中長期温暖化対策数値目標の下での累積GHG排出量およびGHG排出経路(Nationally Committed Amount:NCA)と比較した。  その結果、努力分担方法として、1)一人当たり排出量の収斂(CPE)、2...