https://www.washington.edu/news/2020/12/03/tire-related-chemical-largely-responsible-for-adult-coho-salmon-deaths-in-urban-streams/ https://www.washington.edu/n

https://www.washington.edu/news/2020/12/03/tire-related-chemical-largely-responsible-for-adult-coho-salmon-deaths-in-urban-streams/ https://www.washington.edu/news/2020/12/03/tire-related-chem... very interesting read for people curious -- one way that tire wear pollution is causing problems