[malfist]

You say that, but run away greenhouse gases can sterilize the entire planet, like Venus.

[inigyou]

Fortunately that particular extreme scenario doesn't seem likely. Radiance scales with the fourth power of temperature, and we're not filling the atmosphere with Venus levels of sulfuric acid. Our CO2 output will be self-limiting when it kills us and we stop outputting it.

[NoGravitas]

Sure, it will "only" look like another one of the Big Five extinction events.

[inigyou]

We've already caused one of those and it's ongoing. Wiping ourselves out would actually end it.

[malfist]

Are you sure it would end it?