[delecti]

I think the parent comment was downvoted because it's not really contributing anything besides pessimism.

As for us, I don't doubt the likelihood of a serious mass extinction, including possibly a severe drop in human population, but I can't see it being so severe as to cause an existential threat to us. No other species on this planet has had the ability to change the environment to suit it, or the ease of mobility to move where they can survive. Short of earth being entirely incompatible with complex life on the surface, I don't see humanity disappearing because of climate change.

[hashkb]

We need the pessimism. Irrational exuberance clearly doesn't work.

[delecti]

I have never seen anything remotely resembling exuberance around climate change. Everything I've seen is either pessimism or denial.

[hashkb]

I'm talking about much more than climate change. Failure to cooperate, anti-intellectualism, and innate hatred of each other (among other flaws) are what will sink us.