Tires (not straws) are a top source of microplastic #pollution.

As they wear down, toxic particles wash from roads into waterways and harm wildlife. But scientists have found a cheap fix: biofilters made from wood chips and plant waste.

https://theconversation.com/one-of-the-biggest-microplastic-pollution-sources-isnt-straws-or-grocery-bags-its-your-tires-259440