with extinction. The WWF suggested in late 2021 that over a million species could go extinct within a decade in the "largest mass extinction event since the end of the dinosaur age". A 2023 study published in PNAS concluded that at least 73 genera of animals have gone extinct since 1500. If humans had never existed, it would have taken 18,000 years for the same genera to have disappeared naturally, the report states.

Beyond its use for the modern