There is more genetic variation in a few troupes of wild chimpanzees than in the entire human population. Lack of genetic variation is never good for species survival. Humans Are Doomed to Go Extinct (2021)
[T]he human population is set not just for shrinkage but collapse—and soon. To paraphrase Lehrer, if we are going to write about human extinction, we’d better start writing now. Humans Are Doomed to Go Extinct (2021)
The cause of extinction is usually a delayed reaction to habitat loss. ...H. sapiens might ...already be a dead species walking. Humans Are Doomed to Go Extinct (2021)