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Policy Brief

September 2025

Equitable Critical Energy Transition Mineral Value Chains: How G20 Can Help Shape a Holistic Framework for Benefit Sharing for the Global South

Critical energy transition minerals (CETMs) are vital for clean energy technologies, but their life cycle is associated with substantial environmental, social, and governance risks. These risks disproportionately affect local communities and countries in the Global South, where much of CETM extraction takes place. Despite bearing the burden of...

Keywords:

critical minerals

climate change

finance

equity

Peer-reviewed Article

September 2025

Carbon pricing mechanisms toward net-zero emissions in Japan

In Energy and Climate Management

The grand design has been formulated recently for the ‘Growth-oriented Carbon Pricing’ concept in Japan. The blended approach, combining voluntary participation of the businesses with phased regulatory enforcement, deserves attention due to its potential to serve as a model for other countries in Asia. This paper gives an overview of the latest...

Keywords:

Green transformation

carbon pricing mechanisms

emission trading scheme

net-zero emissions

Japan

Presentation

September 2025

Towards Evidence-Based Policies for Addressing Health Risks of Micro- and Nanoplastics Pollution in ASEAN

2025 International Conference on Marine Environmental Management

The widespread issue of plastic pollution is increasingly affecting human health, with growing evidence of exposure, particularly in regions such as ASEAN, which are rich in aquatic resources. Microplastics and nanoplastics contaminate water bodies and are ingested by aquatic organisms. Given the high consumption of seafood in the region, humans...

Keywords:

microplastic

nanoplastic

human health

ASEAN

Policy Report

July 2025

OECD Regional Plastic Outlook Cover Image

July 2025

Regional Plastic Outlook for Southeast and East Asia

Southeast and East Asia play a pivotal role in global efforts to end plastic pollution. ASEAN Plus Three countries are at the heart of this region, represented by the 10 Member States of the Association of Southeast Asian Nations, Japan, Korea and the People’s Republic of China (hereafter, China). This region has become a hotspot for plastic...

Keywords:

Marine Plastic Litter

Circular Economy

Plastic Pollution

Presentation

July 2025

Policy Analysis on Open Waste Burning in Asia

ISAP 2025

Open waste burning ( is a persistent and growing environmental and public health issue across Asia, particularly in low and lower-middle-income countries in Asia contribute to 82% of global CO 2 emissions from OWB, followed by Latin America and the Caribbean and Africa. This poster presents a comprehensive analysis of OWB using the DPSIR (Driving...

Keywords:

municipal solid waste management

Peer-reviewed Article

July 2025

Geopolitical Dimensions of India’s Coal Transition

In Strategic Analysis

This study examines the complexities of India’s coal transition within the global energy landscape, where there is a persistent dominance of coal despite the increasing share of renewables in the energy mix. The article aims to situate winners of energy transition and observes how crises have impacted the transition trajectories of these countries...

Keywords:

Clean Energy Transition

coal

India

Policy Report

July 2025

気候安全保障概念の再検討と日本の政策的対応への一提言

なぜ「気候安全保障」は、その重要性が叫ばれながら、具体的な政策に結びついてこなかったのか。本稿は、その根本原因が、既存の気候変動対策の基軸である「適応」との役割分担の曖昧さにあったことを論証し、この政策的な膠着状態を打破するための明確な処方箋を提示するものである。本稿の核心的な提案は、気候安全保障を「適応」との明確な「差分」として再定義することにある。すなわち、エネルギー移行に伴う資源競争やサプライチェーンの混乱といった、従来の適応策の枠組みから構造的にこぼれ落ちてきた「気候社会経済ハザード」に起因するリスクへの対処こそが、気候安全保障が担うべき固有の領域であると提唱する。この新たな視座は、先行研究が答えられなかった「なぜ緩和・適応だけでは不十分か」という本質的な問いに...

Keywords:

climate security

Adaptation

Partnership

Presentation

July 2025

Enhancing Agriculture Contribution to Climate Goals by Strengthening NDCs

JICA Training on NDCs

The presentation focuses on enhancing the role of agriculture in achieving climate goals by strengthening Nationally Determined Contributions (NDCs). It highlights agriculture's dual role in both greenhouse gas (GHG) emissions and climate adaptation, noting that food systems contribute to nearly a quarter of global emissions. While most NDCs...

Keywords:

NDC

Agriculture

Adaptation

Mitigation

subsidies

carbon sequestration

insurance

organic agriculture

Submission to Policy Process

July 2025

July 2025

T20 Task Force (05) Statement: Accelerating Climate Action and the Just Energy Transition

In a context of escalating and interlinked climate and biodiversity crises, ambitious, integrated and inclusive action towards just transitions is central to ensuring a more sustainable, equitable and resilient world for current and future generations. The year 2025 marks the 10th anniversary of the Paris Agreement and the submission of the second...

Keywords:

Just Transition

climate change

Clean Energy Transition

G20

Presentation

June 2025

From Vision to Action: Co-Creating Nature-Positive Fisheries Futures in Timor-Leste

11th ESP World Conference

Timor-Leste, one of the world's youngest nations, is also among the least developed countries, presenting unique challenges and opportunities for sustainable growth. Despite being surrounded by rich marine resources on three sides, its fisheries sector remains significantly underdeveloped. The advancement of this sector carries immense potential –...

Keywords:

Nature futures framework

Nature-positive scenarios

Participatory research

Fisheries

Timor-Leste