[Shivetya]

I am not sure if anyone could live long enough, there are some theories that suggest that when a sufficient amount of Greenland's ice cover melts it cools the oceans enough to restart the cooling cycle.

Earth seems to have a lot of built in corrective measures, for both the issues it causes and the ones we think we cause.

[madaxe]

That, and chaotic runaways we can't even pretend to understand yet.