[MostlyStable]

We actually are not sure that sperm counts are dropping globally. The quality of evidence is extremely poor: https://astralcodexten.substack.com/p/declining-sperm-count-...

But no matter what effect they have, if you can't conclusively prove it after decades and millions of people, it's by definition pretty minor.

[paulryanrogers]

Microplastics are rapidly accumulating in the environment and don't break down quickly. If we wait until the effects are significant it may be too late to stop significant future harm.