Researchers with the University of Manitoba, Winnipeg, Canada and others published a paper in the August 2019 issue of Marine Pollution Bulletin. It reports that “Microplastics (plastic particles <5 mm) are an emerging concern in Arctic sea ice with measured concentrations orders of magnitude higher than in surface seawater … High microplastics concentration seems to affect sea ice salinity and albedo …” [Ability absorb light] – The researchers also found that “… Microplastic additions did not affect sea ice growth …”