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India’s national government has offered strong support for the development of green hydrogen as part of the clean energy transition. However, much of the actual progress in this transition will depend on subnational governments. This paper argues India’s subnational governments have significant potential to capitalise on diverse natural resource...

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...

Nature-based solutions (NbS) are promising measures for protecting, sustainably managing, and restoring ecosystems as well as addressing societal challenges, including climate change mitigation and adaptation. To consider mainstream NbS for use in disaster risk reduction (DRR) infrastructures, the affected residents’ perception and attitude toward...

This is part of the report for the 1st period (May 2022 to August 2023) of Project for the Development of Integrated Coastal Ecosystem Management System in the Republic of Mauritius, a JICA Technical Cooperation project. The work aimed to understand the current status of ecotourism and the potential of introduction of mangrove ecotourism in...

There has been broad recognition that current food systems need to go through a process of transformation and transition. In the similar way that other areas have transitioned to be more sustainable, the transition process for food systems has some issues related to justice in terms of achieving more sustainable and inclusive food production...

The International Energy Agency estimates that to hit net-zero globally by 2050, six times more critical minerals will be required in 2040 than today. The rapid increase in demand for critical minerals is likely to increase price volatility. This could aggravate energy security concerns, and thereby delay the necessary clean energy transition...

The production of commodity crops such as oil palm, sugarcane, cotton or cocoa has important ramifications for sustainability at multiple spatial and temporal scales. Food security is among the most heavily debated impacts of commodity crop production, especially in developing regions characterized by high rates of malnutrition and food insecurity...

Information and Communication Technologies (ICT) have been identified as potential enablers for alternative forms of sharing surplus food to prevent food loss and waste. Food sharing platforms can also provide an entry point to the sustainability transition by encouraging its users to confront the systemic causes of unsustainable and inequitable...

There is limited knowledge on the potential impacts of electric vehicle (EV) deployment in developing countries to date. India is a rapidly industrializing country with a national policy to promote EVs, but does not have the waste management infrastructure to process battery waste. Through a model analysis for India, we projected that the sale of...