A new study published in Nature Communications reveals alarming amounts of microplastic particles in the air, even in the most remote, mountainous areas. News about microplastics throughout the ocean, soil and every marine mammal studied has been widely documented and publicized in recent years. ‘Microplastic’ was even called the “2018 word of the year” for its number of mentions by the news media. However, very few studies have researched the abundance of microplastics specifically in the air we breathe.

In addition to the recently published research, two previous studies analyzed airborne microplastics in France and China. Those analyses from 2016 and 2017 revealed a steady rainfall of microplastics in the air — findings that are unfortunately further confirmed by the results of this most recent study.

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The authors counted 365 plastic particles falling per square meter, every day, with comparable results from Paris to isolated areas of the Pyrenees mountains. The researchers concluded that the amount of microplastics is correlated with the strength of the wind, but not necessarily with proximity to major urban areas or even villages. The fact that plastic particles are found so far from urban areas and direct sources of pollution indicates that the world’s plastic crisis is not a localized issue, but a global problem that affects everyone, regardless of their location or sustainable habits.

The new findings are a major public health concern. The vast majority of the plastic particles identified were polystyrene and polyethylene — toxic materials often used in single-use packaging and plastic bags. Microplastics have also been found in human lung tissue, but scientists are still unsure of exactly what impacts this could have on long-term human health. “When you get down to respiratory size particles, we don’t know what those do,” research team member Deonie Allen told The Guardian. “That is a really big unknown.”

+ Nature Communications

Via The Guardian

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