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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...

適切に処理されなかったプラスチックごみが自然環境へ流出することで生じるプラスチック汚染。この地球規模の課題を解決するため、プラスチックの生産から廃棄までの全ライフサイクルでの対処を目指す「プラスチック汚染に関する法的拘束力のある国際文書（条約）」の策定交渉が2022年11月以降、継続的に行われています。当初の予定では、2024年11月のINC（政府間交渉委員会）の第5回会合（INC-5）で条約の最終合意を目指していましたが、各国の意見の隔たりは埋まらず、その後、2025年8月にINC-5の再開会合として開催された「INC-5.2」でも条約の合意には至りませんでした。 当記事では、“国際プラスチック条約”とINCの概要から、これまでの政府間交渉の動向、そして2025年8月の「INC-5.2...

This report presents the results of the technical expert review of the first biennial transparency report of Finland, conducted by a technical expert review team in accordance with the modalities, procedures and guidelines for the transparency framework for action and support referred to in Article 13 of the Paris Agreement. The review took place...

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