The earth and life have survived several cataclysmic events. Why would this time

> end only with the death of the living planet

Certainly the CO2 PPM will not cause this

https://news.climate.columbia.edu/2021/02/15/co2-dip-dinosau...

> Until about 215 million years ago, the Triassic period had experienced extremely high CO2 levels, at around 4,000 parts per million — about 10 times higher than today. But between 215 and 212 million years ago, the CO2 concentration halved, dropping to about 2,000ppm.

Nor would something equivalent to the asteroid that caused the last mass extinction

The two things I know of are a solar flare that blows away the atmosphere and an astroid large enough to cause the surface to liquify (into molton rock)