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700 million plastic bottles: we worked out how much microplastic is in Queensland’s Moreton Bay
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Researchers estimated the microplastic load in Brisbane's Moreton Bay and found quantities equivalent to roughly 700 million plastic bottles, providing one of the first city-scale quantifications of how urban areas contribute to coastal microplastic accumulation. Putting a concrete number on urban microplastic output makes the scale of pollution tangible for policymakers and strengthens the case for municipal plastic reduction and stormwater management interventions.
How much microplastic does a city produce? To find out, we looked at Brisbane’s Moreton Bay, where microplastics build up without being washed away
More Papers Like This
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.
We estimate up to 14 million tonnes of microplastics lie on the seafloor. It’s worse than we thought
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Deep-sea sediment sampling estimates up to 14 million tonnes of microplastics have accumulated on the ocean floor, roughly 35 times the estimated weight of plastic floating on the ocean surface. This finding fundamentally changes the understanding of where plastic pollution resides and suggests the long-term ecological burden on marine ecosystems is far greater than surface measurements have indicated.
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.
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.
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.
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.