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The National Awareness and Training Workshop on Extended Producer Responsibility (EPR), held in Maseru, Lesotho on 17 June 2026, brought together government agencies, municipalities, producers, academia, civil society, development partners, and informal-sector representatives to explore pathways for developing an inclusive and nationally...

The Capacity Building and Technical Training Programme on Waste Characterisation Survey Methodology, held in Lesotho on 15–16 June 2026, aimed to strengthen national capacity for evidence-based waste governance and planning. Organized by UNEP-IETC, IGES-CCET, UNDP, the Ministry of Environment and Forestry, and the National University of Lesotho...

タラオセアンジャパンと上智大学アイランド・サステナビリティ研究所が共催したセミナーに、IGES堀田が登壇し、途上国の抱えるプラスチック廃棄物問題について講演を行った。本セミナーには、環境省の海洋プラスチック汚染対策室　中山室長および長谷室長補佐、タラオセアン財団　ロマン・トゥルブレ　エグゼクティブディレクター、タラオセアンジャパン　シルバン・アゴスティーニ　理事、上智大学　織朱美教授、あん・まくどなるど教授が登壇し、海洋プラスチック条約交渉の今後の方向性などについて意見交換を行った。

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。

Decarbonizing transport systems is critical to a net-zero future. Explicitly factoring health co-benefits into urban climate/ transport plans could persuade decision-makers to adopt and implement the policies needed for such a future. Many studies have estimated the health benefits of transport policies with these ends in mind. However, how...

This document outlines the legal framework, regulations, and procedures for Environmental and Social Impact Assessment (ESIA) in the Democratic Republic of Congo (DRC). While an ESIA aims to integrate environmental and social considerations into project planning, the DRC's relevant legislation, developed since the 2000s, is still evolving. This...

The 2030 Agenda for Sustainable Development and its accompanying 17 Sustainable Development Goals (SDGs) provides as a comprehensive framework to address the world's most pressing sustainability challenges. However, with the 2030 deadline fast-approaching, progress on the SDGs remains woefully insufficient. At present, the world is only on track to...

This report summarises the findings of the following OECD initiatives that are particularly useful in considering the integrated implementation of domestic measures in Japan: the latest developments in OECD work on the positive tipping ponts; policy related to hydrogen and hard-to-abatement sectors; and the model analysis related to the Global...

This commissioned report presents the major outcomes of the project that aimed to set up a joint research project on urban transformation in collaboration with International Institute for Applied Systems Analysis (IIASA) and to hold an international symposium to present the research outcomes in Tokyo, with the aim of contributing to the special...