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Agrifood systems in Asia-Pacific are increasingly vulnerable to the impacts of climate change, facing risks from floods, droughts, and shifting weather patterns, while also contributing to greenhouse gas (GHG) emissions. At the same time, the sector offers enormous potential for adaptation and mitigation through climate-smart practices, innovative...

日本の農村部の主要な交通手段である自動車利用を支える地域のガソリンスタンドについて、その多くが地下タンクの老朽化などの課題を抱え、その更新に莫大な費用を要することから、設備の寿命や経営者の高齢化に伴い、突如として閉鎖・廃業する事例が増加している。地域内にガソリンスタンドが３か所以下の市町村（SS過疎地）数は全体の２割以上あり、その数は今後増加していくことが予想される。地域住民の移動手段を確保し、生活環境の改善や災害対応の責務を担う地方自治体にとって切実な地域課題であり、設備更新費用を自治体が負担したり、地域住民が共同で出資して運営を続ける事例がみられる。一方、ガソリンスタンドの設備更新は、化石燃料を使う仕組みの長期継続（ロックイン）につながりかねないため慎重な検討が必要である...

JICAにおいて、廃棄物管理を担当する職員・専門家向けに、サーキュラーエコノミーに関する考え方、開発支援のありかたについて勉強会のための論点、IGESの関連研究活動や支援活動について発表した。それに基づいて、IGES職員とJICA職員が意見交換を行った。

The Vietnamese Mekong Delta (VMD) is undergoing increasing disruption to its sediment–water continuum due to upstream hydropower development, regional land use change, and climate variability. Suspended sediment concentration (SSC) and streamflow are key indicators of the delta’s ecological stability and agricultural productivity, yet their recent...

トランプ大統領の反気候政策を考える

Transparency and traceability of materials within supply chains are becoming increasingly important, as reflected in recent EU policies and growing consumer demand. In addition, companies adopting sustainable practices—such as procuring recycled plastics—require robust methods to substantiate and verify their sustainability efforts. This paper...

With accelerating global environmental change, arid ecosystems are entering a destabilized state, exhibiting greater fragmentation, impaired ecological functions, and diminished resilience. However, the systemic thresholds and collapse dynamics underlying these transitions remain poorly understood. This study addresses this gap by proposing a...

The Paris Agreement Article 6 Implementation Status Report offers a snapshot of global progress in implementing Article 6 of the Paris Agreement. Compiled by the A6IP Center, the report examines the readiness of 100 countries to participate in international carbon markets; analyzes global carbon-market activities; and identifies current status...

Over the last decade, L-band synthetic aperture radar (SAR) satellite data has become more widely available globally, providing new opportunities for biodiversity and ecosystem services (BES) monitoring. To better understand these opportunities, we conducted a systematic scoping review of articles that utilized L-band synthetic aperture radar (SAR)...

In this study, we developed a logistic regression modeling approach to analyze the relationship between utility-scale solar power plant (SPP) locations and flood hazards. Based on the standardized coefficients of the model, we compared this relationship with the relationship between SPP presence/absence and other typical spatial determinants like...