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In the samples they harvested from people who died in 2016, they found average concentrations of 3,345 micrograms/gram. In the 2024 cohort, the average was 4,917.
Microplastic remediation refers to environmental remediation techniques focused on the removal, treatment and containment of microplastics (small plastic particles) from environmental media such as soil, water, or sediment.
While these detected levels were not above the currently established thresholds for unsafe levels, they show another possible route for microplastic ingestion. For some native population in north Canada and people who live near industrial factories, it is sometimes suggested by pediatricians that mothers not nurse their children, [ 37 ] over ...
Another study looked at microplastic in the street dust of Tehran and found 2,649 particles of microplastic within 10 samples of street dust, with ranging samples concentrations from 83 particle – 605 particles (±10) per 30.0 g of street dust. [138]
For reference, the average adult human brain weighs about 3 pounds, typically between 1,300 and 1,400 grams. While human livers and kidneys also showed increases, the concentrations in brains were ...
By using data on surface plastic concentration (pieces of plastic per km 2) from 1972 to 1985 (n=60) and 2002–2012 (n=457) within the same plastic accumulation zone, the study found the mean plastic concentration increase between the two sets of data, including a 10-fold increase of 18,160 to 189,800 pieces of plastic per km 2.
[8] [9] Primary microplastics make up between 15% and 31% of the growing amount of marine microplastic pollution, which is related to the corporative expansion of large-scale plastic production. [9] Like microbeads , preproduction plastic pellets can be released directly into the environment as a form of primary microplastic pollution. [ 9 ]
By the end of 2024, the Ocean Cleanup had removed more than one million pounds of trash from the Great Pacific Garbage Patch, or 0.5% of the total accumulated trash. [7] While microplastics dominate the area by count, 92% of the mass of the patch consists of larger objects which have not yet fragmented into microplastics.