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Microplastics in landfill soils of Lichinga, Mozambique: occurrence, polymer diversity, and depth-related distribution
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Researchers found tiny plastic particles (microplastics) buried in landfill soil in Lichinga, Mozambique, at various depths and in many different plastic types. This matters because these plastics can break down further, potentially seeping into groundwater or soil where crops grow, creating a possible pathway for plastic particles to end up in our food and water supply. While this study focused on soil rather than direct health effects, it highlights how landfills may be an overlooked source of environmental plastic pollution that eventually affects human exposure.
Photographs taken under a stereomicroscope for the analysis of microplastics in soil.Spectra and images of the samples.
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Occurrence, Distribution, and Abundance of Microplastics in the Rohtak Municipal Solid Waste Landfill
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Scientists digging into soil from a landfill in India found it packed with tiny plastic bits—mostly from everyday packaging and household items—many so small and worn down they've likely been breaking apart for years. This matters because these microplastics don't just stay buried: they can seep into surrounding soil and water, potentially entering the food and water we consume, making landfill waste an overlooked source of plastic pollution that deserves more attention in how we manage trash.
Identification and quantification of microplastics in compost from municipal landfills in Uganda
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Researchers found tiny plastic bits called microplastics in compost made from trash at 11 landfill sites in Uganda, with over half of the pieces being tiny plastic fibers likely from things like clothing and packaging. This matters because compost is often used to grow food, meaning these plastics could work their way into crops, animals, and eventually our own diets, highlighting the need for better trash sorting and waste management before plastic contamination gets worse.
Microplastics in urban areas: analysis of microplastics spreading potential from decommissioned landfill in Lichinga city, Mozambique, Southern Africa
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Researchers used stereomicroscopy to analyze microplastic distribution in soil samples collected near a decommissioned landfill in Lichinga, Mozambique, assessing the spatial spread of plastic contamination from an unmanaged waste site into surrounding urban soils.
Development of an extraction and determination method for microplastics in compost and soil matrices
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Scientists found tiny plastic particles (called microplastics) in compost and farm soil samples, with higher amounts in surface soil and areas with more organic matter. This matters because these microplastics can get into our food through crops grown in contaminated soil, potentially affecting human health. The study also showed that microplastics are everywhere in our environment - even floating in laboratory air - highlighting how widespread this pollution problem has become.
Microplastic pollution in landfill soil: Emerging threats the environmental and public health
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Researchers measured microplastic contamination in soil at a landfill near residential areas in Indonesia and found extremely high levels of over 60,000 particles per kilogram. The most common types were fragments of polyethylene, PVC, polystyrene, and polypropylene. The study raises public health concerns because landfills near populated areas can release microplastics into surrounding soil and water, creating exposure pathways for nearby communities.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.