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More on tire microplastics

2023-09-28 20:00:44.873161+02 by Dan Lyke 0 comments

Road Hazard: Evidence Mounts on Toxic Pollution from Tires

Both natural and synthetic rubber break down in the environment, but synthetic fragments last a lot longer. Seventy-eight percent of ocean microplastics are synthetic tire rubber, according to a report by the Pew Charitable Trust. These fragments are ingested by marine animals — particles have been found in gills and stomachs — and can cause a range of effects, from neurotoxicity to growth retardation and behavioral abnormalities.

“We found extremely high levels of microplastics in our stormwater,” said Rebecca Sutton, an environmental scientist with the San Francisco Estuary Institute who studied runoff. “Our estimated annual discharge of microplastics into San Francisco Bay from stormwater was 7 trillion particles, and half of that was suspected tire particles.”

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