It will easily take millions of years for the biosphere to recover the biodiversity that we've lost in the past 100 years.
It would probably be something on the order of 10s of millions of years if humans don't do a bunch of gene editing and habitat restoration.
a Schelling point for those who seek one
It would probably be something on the order of 10s of millions of years if humans don't do a bunch of gene editing and habitat restoration.