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Approximately one billion tonnes of municipal organic waste are generated globally every year, although only a small fraction of this is currently recycled, with the remaining factions being either burnt or dumped in landfill sites. Composting is one of a number of different ways in which organic wastes can be converted into valuable products such...

On December 23, 2024, Yokohama city, Da Nang city, and IGES co-organized the Final WS of JICA Partnership Project for Promoting Source Separation and Recycling (the 3Rs) in Da Nang City: Collaboration building on Yokohama’s Experience on Municipal Solid Waste Management (D-3RYM). The WS was -To review and confirm the key outcomes and achievements...

Hotta contributed as a speaker of SESSION 9. ACHIEVING CIRCULARITY OF PLASTIC: INSIGHTS INTO PLASTIC MANAGEMENT AND PLASTIC LEAKAGE MONITORING.

This Student Activity Book is designed to complement the Teacher Resource Book by offering a hands-on, interactive learning experience for students. It empowers young learners to explore both upstream plastic use reduction and downstream waste management, helping them understand the full impact of plastic on the environment. Through puzzles...

This educational book serves as a comprehensive resource for teachers, designed to empower the next generation of Sri Lankans to become responsible citizens and champions of environmental sustainability. It addresses the entire lifecycle of plastic, with a dual focus on upstream reduction of plastic use—encouraging mindful consumption and...

Open waste burning (OWB) is a prevalent waste management practice in many parts of Asia, contributing significantly to air pollution and undermining efforts towards climate mitigation. This paper examines the nexus of waste management, pollution control, and health while providing policy recommendations to address policy gaps and implementation...

Hotta contributed as a panleist of the Side Event for INC-5 Plastic Pollution organized by Korean Environment Institute organized in November 2024 in Busan, Republic of Korea. Objectives of this roundtable include: 1) Explore policy approaches to plastic pollution: Discuss and evaluate various policy strategies to combat plastic pollution at...

The Regional Circulating and Ecological Sphere (Regional-CES) is a guiding concept for environmental policies to support the achievement of the Sustainable Development Goals (SDGs) in urban and rural communities with maximum utilisation of local strengths and resources. To promote the Regional-CES concept as a useful guiding principle, a scoping...

Building on the preceding G20 processes, and based on the G20 Implementation Framework for Actions on Marine Plastic Litter, the Sixth G20 Report on Action against Marine Plastic Litter prepared under the leadership of Brazil, the G20 Presidency for 2024, in collaboration with the Ministry of the Environment, Japan provides latest snapshot of...

By emphasizing the need for co-creative international cooperation, mutual learning and innovation between developed and emerging economies, this paper presents a case study on a city-to-city partnership between the cities of Da Nang, Viet Nam and Yokohama, Japan, focusing on development of collaborative actions on waste source segregation and...