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Methane is a potent, short-lived climate pollutant responsible for nearly 0.5°C of global temperature rise. Though it remains in the atmosphere for about 12 years, its climate impact is 86 times stronger than carbon dioxide over 20 years, making methane mitigation one of the most effective strategies for tackling climate change. The waste sector...

Plastic pollution is a growing challenge in Southeast Asia, where rapid urbanisation and rising consumption are driving sharp increases in plastic waste. While traditional regulations such as plastic bans and information campaigns are important, they often fail to shift deeply ingrained consumption and waste management habits on their own. This new...

The special session was co-organized by the Embassy of Japan in Thailand and the Ministry of the Environment, Japan, focuses on establishing and expanding an international metal resource circularity network through the proper treatment of e-waste between ASEAN and Japan. Dr. Hotta and Dr. Menikpura presented about lifecycle sustainability...

Decarbonizing road transport requires a socio-technological transition that integrates systemic changes in transport infrastructure, technological innovation, and broader societal transformation. Non-state actors—particularly sub-national governments and cities such as Jakarta Metropolitan City, West Java Province, and the City of Semarang—play a...

From "Islands of Excellence" to a "Sea of Change": How ASEAN's Secondary Cities are Localising the SDGs in the region As the ASEAN region rapidly urbanises, the focus often falls on its mega-cities. However, a quiet transformation is underway in the region’s secondary cities -- the agile urban centres that are proving to be fertile ground for...

This report evaluates a pilot project in Padang, Indonesia, that introduced the digital application to modernise community-based waste banks. The study explores how digital transformation can improve operational efficiency, data accuracy, and transparency within a circular economy framework. While the initiative successfully digitised thousands of...

Refuse-Derived Fuel (RDF) is gaining popularity in Indonesia as a promising solution for processing large volumes of municipal solid waste (MSW), extending landfill lifespans, and facilitating both material and thermal recycling. The quantity and quality of RDF are critically dependent on the input waste composition and the selection of materials...

For the last 30 years, a considerable amount of international capacity building support has been provided, by means of technical assistance projects, for developing countries to regularly report national information on climate action and support. However, understanding the roles of those projects is limited, especially their impacts in the medium...

Central Kalimantan experienced the highest rates of burning and the most repeated fire incidents. Water is the most common means of extinguishing forest fires in Indonesia. However, it is less efficient at wetting and penetrating hydrophobic surfaces during the extinction of peatland fires. Firefighting agents with high penetration capabilities are...

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...