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Far more microplastics floating in oceans than thought
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A new sampling method revealed that southern ocean microplastic concentrations are 37 times higher than previously estimated, suggesting that existing models have dramatically underestimated the scale of plastic pollution in Earth's most remote marine environments.
New method tallies microplastics in southern oceans, yielding a total that’s 37 times higher than previous estimates.
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Microplastics' Dangers to Humans and Ecosystems
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Researchers reviewed the global dangers of microplastics to human health and ecosystems, characterizing these particles as a pervasive pollutant with the potential to cause widespread harm across multiple environmental compartments and biological systems.
Microplastics are everywhere — but are they harmful?
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Microplastics are now found in marine animals and the human body, prompting scientists to urgently investigate their potential health effects. While ubiquity is established, the extent of harm to human health remains an open and actively researched question with significant public health implications.
Study links microplastics with human health problems – but there’s still a lot we don’t know
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Researchers highlight a study linking microplastic exposure to human health problems, noting that plastics from everyday products like packaging, clothing, and toys shed particles that accumulate in the body, while emphasizing that significant scientific uncertainty remains about the nature and severity of health effects.
Mind over microplastics — what we still don’t know
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Microplastics have been detected in human brain tissue for the first time, with higher concentrations found in individuals with dementia, though whether the particles cause neurological damage or simply accumulate more in affected brains remains unknown. The finding opens urgent questions about how microplastics cross the blood-brain barrier and what long-term exposure means for cognitive health.
Millions of tonnes of nanoplastics are polluting the ocean
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Researchers highlight that millions of tonnes of nanoplastics smaller than a human hair are polluting the ocean, with these particles capable of passing through cell walls and entering the marine food web with poorly understood consequences.
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.