Not many people even think of it. As if humans will last forever. It's actually not that hard for me to imagine. Wiping ourselves off the face of the earth by plague or war. In either case this video goes over what would happen to this earth without us.
1 hour 28 minutes 2 seconds
Altough certain species may depend on us, without humans. Nature of course will prevail and certain species would then thrive because of that.
The question I have is would humans somehow come back someday because of evolution?