[antisthenes]

Whenever these articles write 'planet', it's obvious that the connotation is Biosphere, aka living creatures.

Sometimes it also means civilization, which encompasses a broad spectrum of things, but mostly a standard of living above subsistence farming/hunting/gathering, and being able to organize in groups larger than small tribes.

> Worst case scenario, humans go extinct

Sure, might take a while. I think the bigger immediate problem is that to survive in a global warming environment, traits will be selected for that aren't necessarily conducive to preservation of civilization (which is our main achievement as a species)