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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...

IGES's Hotta presented on Japan's marine plastic waste countermeasures and policies at an international conference on marine plastic pollution hosted by Ocean Conservation Administration in Taiwan. This conference featured contributions from government officials and experts from Japan, the United States, and Republic of Korea, primarily focusing on...

With the mounting pressure of urbanization, how innovative blue-green infrastructure (BGI) can restore the ecosystem services of urban rivers is a timely issue for any densely populated city seeking to improve its resilience and sustainability through ecosystem-based solutions. Yet, the implementation of BGI is not hazard-free. Its success usually...

Urban rivers in Singapore are surrounded by concrete embankments and riverbeds that degrade the natural ecosystem and ecosystem services. The Singapore government has taken up several initiatives to restore the urban environment and the ABC program is a significant one among them. Many factors have played a role in the success of the ABC program...

The commons concept has evolved in multiple ways after the publication of Ostrom’s seminal work in 1990, which emphasized the evolution of resource management institutions and the usefulness of self-governance. As we move into the 21st century, one of the institutional transformations is catalyzed by the emergence of Information and Communication...

In this study, a methodologies and a case analysis of sustainability of WEEE recycling systems (e.g. Washing machines, Refrigerators, Air conditioners and Televisions) was developed based on the case of Japan’s home appliances recycling system. In addition, to enable comparative analysis, we have conducted field surveys in Taiwan and India and...

The basic survey on development of “Asia Pacific 3R White Paper” project conducted the basic survey and institutionalization of experts/researchers group for development for the Asia Pacific 3R white paper (tentative title). In addition, the zero draft of writing guideline for Asia Pacific 3R white paper was developed initially for the development...

本研究では、2012年度以来3年間の予定で、リサイクルシステムの持続可能性評価を、環境・経済・社会的な視点から評価するための分析枠組みの開発を試みている。本研究では、まず日本の家電リサイクル法の下でのリサイクルメカニズムを事例に、環境、社会、経済という持続可能性の各側面を評価するための定量分析手法の開発を、ライフサイクル分析の手法を用いて行った。その上で、台湾、中国、インドについても、廃電気・電子製品のリサイクルメカニズムの実態について、調査し、同様の手法の応用を試みているところである。最終的には、国際比較を行うことで、国際資源循環を含む、適正な資源循環の在り方について提言することを目指している。 本発表では、上記の研究の中から...