One of the worst xkcd's. It just leaves out the information that the supposed "immediate massive action to limit emissions" is, in fact, a mass dying of humans; nothing else currently known to us would change the curve the way it is drawn.
alibero 10 minutes ago [-]
The current trajectory is also a mass dying of humans so hopefully we can thread the needle there.
quartztz 13 minutes ago [-]
and that is supposed to make it better how, exactly? should we just not do anything since it's over anyways?
https://m.xkcd.com/1732/