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Air pollution is Southeast Asia’s leading environmental health risk and a key driver of climate change through short-lived climate pollutants (SLCPs) such as black carbon and methane. The Southeast Asia Climate & Clean Air Initiative (SEACAI), co-financed by Germany and Switzerland, demonstrates how coordinated donor action can deliver tangible...

ウェルカムプロジェクトは、G7都市を対象に気候変動対策と住民の健康増進を統合する国際共同研究である。最大の意義は、脱炭素化を大気質改善や熱中症予防といった「地域的な便益（コベネフィット）」に変換し、政策の根拠を強化する点にある。 活動は「知見共有」「エビデンス明示」「ツール開発」を軸とし、八戸市の営農型太陽光発電や新潟市のEV推進がもたらす多角的な利点を可視化し、環境対策が福祉や経済に資することを証明した。これは市民の理解と支持を広げる重要な役割を果たす。開発中のウェブツールは部局間の合意形成を支援し、気候変動対策を市民の幸福向上への好機と捉える新たな都市づくりの指針として期待される。

The Seventh G20 Report on Action against Marine Plastic Litter is the seventh compilation of policies and measures undertaken by countries and international organisations globally to tackle marine plastic litter, and is prepared under the leadership of South Africa, the G20 Presidency for 2025, in collaboration with the Ministry of the Environment...

Land carbon fluxes are key to the Paris Agreement. However, data comparability issues persist between countries’ land greenhouse gas inventories and mitigation targets, and what land models (bookkeeping and integrated assessments) provide as Paris-aligned benchmarks for land. As a result, the Global Stocktake, aiming to track collective mitigation...

地球沸騰時代の環境考：石炭大国から再エネ大国に変貌するオーストラリア

Sunda clouded leopard conservation requires understanding key species traits. Using photo-identification, we estimated lifespans from minimum residence times, documenting the oldest wild individual known to date—a 6.51-year-old female. We discuss methodological limitations in female detectability and transient individuals in the population and...

The intensification of agriculture, coupled with unregulated fertilizer application and groundwater overexploitation, has led to widespread nitrate (NO3􀀀 ) contamination in many agrarian regions, including the Malwa region of Punjab, India. This study employs the Water Evaluation and Planning (WEAP) system to simulate the spatio-temporal evolution...