Somewhere in our skies will be a flash of light as the Neil Gehrels Swift Observatory burns up on reentry.
And on that, an important note from local astronomer, Ian Griffin:
"We, in recent years, put enormous numbers of satellites up into the low earth orbit and they're now re-entering at a rate of about two a day. [...]
We're sort of changing the chemistry of our atmosphere in a great experiment at the moment, we really don't know where it's going to end up."
All these metals that we're spraying into the atmosphere on reentry burn are even worse than PFAS in the hydrosphere, in that unlike PFAS (which after 1000's of years do eventually decay) they are pretty much permanent, never cycled out of the atmosphere.
Space junk burn may prove to become our most indelible mark on this planet.