this post was submitted on 17 Apr 2026
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Fuck Cars

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[–] unknownuserunknownlocation@kbin.earth 14 points 2 days ago (1 children)

Source? Heard this before and not surprised, but I'd like something concrete that I can point to.

[–] Rossphorus@lemmy.world 29 points 2 days ago (1 children)

It seems to be even higher, several studies suggest it's closer to 50%:

https://pubs.acs.org/doi/10.1021/acs.est.3c05002

Three different studies predicted emitted tire wear proportions (TWP and TRWP) of total emitted MP [microplastic] loads in the environment (both aquatic and terrestrial) for around 45%. (6,7,52) These calculations were mainly based on global, annual production data and matched the TWP proportions of around 40% in this study. However, since C-PVC was excluded here, a comparison of the percentages is not trivial.