But still a lot of things do, pesticides following the rain cycles is a good example. We're killing the biodiversity and ourselves with it. We already almost entirely rely on synthetically amending fields with petrol byproducts to feed ourselves, tomorrow we might have to manually pollinate crops when insects won't be enough to do the job.
PFAS are a problem, co2 is a problem, but we have dozens of other very big problems that are partially, if not entirely, obscured
> Nearly 50% of the nitrogen found in human tissues originated from the Haber–Bosch process. Thus, the Haber process [enabled] the global population to increase from 1.6 billion in 1900 to 7.7 billion by November 2018.
Future archaeologists will wonder that we first fouled our nest from edge to edge with lead in gasoline, and then there's that radioactive layer, and following immediately after the forever chemicals layer.
but most that shit doesn't survive the journey intact, being out in the elements and bombarded by the sun isn't kind to most things
hence the focus on "forever chemicals"