It tries to be one of my favorite topics but its rather sad. There are to many entities with a vested interest in preserving their tenured position.
I could write a fantastic article about this topic but why bother exactly?
https://en.wikipedia.org/wiki/Microplastics
If you go here and examine the article extremely carefully (unrealistically carefully) you would find in the section "Persistent organic pollutants" a link to:
https://en.wikipedia.org/wiki/Endocrine_disruptor
Which links to