No-Trash Triangle Initiative
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Based in the heart of the Coral Triangle we aim to save Earth's highest marine diversity from plastic waste through science-based knowledge and action.
Meet Hizkia 🙋🏻♂️
Through our School on the Beach program, educators like Hizkia are inspiring the next generation of ocean stewards in North Sulawesi.
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13/02/2026
Our 2025 Annual Report is now live🌊📖
2025 marked a significant phase of growth in our eight-year journey to build sustainable solutions tackling plastic pollution in the Coral Triangle.
In North Sulawesi, our pilot initiatives evolved into fully operational systems. The No-Trash River Project in Manado is now a stable, year-round interception system, and our island collection expanded to Lembeh Island, increasing both reach and capacity.
Through this growth, we have affirmed that protecting the world’s most biodiverse marine ecosystem requires more than just waste collection. It demands a holistic approach rooted in education, social inclusion, and long-term collaboration between communities, the private sector, and government stakeholders.
The tangible impact we are seeing today proves that scalable waste management solutions are achievable in coastal regions.
To our partners, funders, and our incredible field team: THANK YOU💙 Your unwavering support enables us to build the systems that safeguard our ocean and empower our communities.
📌Explore the full 2025 Annual Report: no-trashtriangle.org/annual-report
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From Coral Triangle to Trash Triangle?
The Coral Triangle in South-East Asia harbours the highest marine biodiversity of planet Earth. Nowhere else you find more coral or fish species. This region also has the highest risk of plastic pollution, and the load of plastic litter in the sea and at the beaches is increasing dramatically.
NE Sulawesi in Indonesia is in the heart of the Coral Triangle. In the area around Manado marine scientists from Indonesia and Europe teamed up within a research project on bio-degradable plastic in the tropical seas in early 2017, and soon agreed to become active also beyond the core topic.
No-Trash Triangle Initiative, supported by the German non-profit organisation AQUEIS e.V., was presented to the public in November 2017 at the National Workshop on the Mitigation of Marine Plastic Litter, held at Sam Ratulangi University, Manado. As a core group it was initiated by marine scientists working in academia, in a private research institute and in the tourism industry, having all strong bonds to NGOs, private companies, public administration and universities in Asia and in Europe.
Many partners of our global network already expressed their interest to participate and started to contribute. As words spread we are becoming more and more. Students from UNSRAT and abroad dedicate their time and develop research projects, supported by their home university professors. Local government authorities collaborate and provide information. Local associations go out and work with communities on waste management and environmental education. Tourist resort owners unite with local villagers for common action in the rural hinterland and on the islands. Knowledge and technology is being exchanged.
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