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Microplastic pollution in a tropical river impacted by a developing megacity. The Saigon River - Ho Chi Minh City, Vietnam.
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This study documented microplastic pollution in the Saigon River flowing through Ho Chi Minh City, Vietnam, finding elevated concentrations in a rapidly urbanizing megacity that lacks adequate plastic waste management — highlighting the role of developing cities in contributing to ocean plastic pollution.
International audience
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Researchers assessed macroplastic and microplastic contamination in a tropical river in Vietnam, finding elevated pollution levels linked to urban and agricultural land use along the waterway.
Microplastics: an emerging contaminant in the Saigon River, Vietnam
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This international study documented microplastics as an emerging contaminant in the Saigon River in Vietnam, finding plastic particles in a major Southeast Asian urban waterway and contributing to growing evidence of widespread microplastic pollution across tropical river systems.
Preliminary study of microplastics in a tropical river impacted by a megacity (Saigon River, Ho Chi Minh City, Vietnam)
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Scientists checked the Saigon River, which flows through a major Vietnamese city, and found tiny plastic particles called microplastics throughout the water. This matters because rivers like this are sources of drinking water and food (like fish), meaning these plastic bits could end up on our plates, and we're still learning what that means for our health. This early study is a wake-up call for more research and better waste management in fast-growing cities worldwide.
Sources of microplastic pollution in the Saigon-Dong Nai rivers, potential risks affecting human health and recommendations for mitigation solutions
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Sampling of the Saigon-Dong Nai river system in Vietnam detected microplastic fragments, films, and fibres at concentrations of up to 715,000 particles per cubic metre, primarily sourced from urban runoff, wastewater, and industrial discharge. Because these rivers supply drinking water and support subsistence fishing for millions of people, the findings highlight a significant and largely unquantified human exposure pathway to microplastics in a rapidly urbanising region.
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This review examines microplastic pollution across Vietnam's river basins in the context of global patterns, finding significant contamination in surface water, sediments, aquatic organisms, and mangrove ecosystems — particularly in coastal urban areas — with concentrations in some urban rivers reaching 519,000 pieces/m³.
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