Whenever these articles write 'planet', it's obvious that the connotation is Biosphere, aka living creatures. Sometimes it also means civilization, which encom

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)