It’s called an existential catastrophe: https://www.fhi.ox.ac.uk/Existential-risk-and-existential-hope.pdf or if you mean 1 step down, it could be a “global catastrophe”.
or colloquially “doom” (though I don’t think this term has the right serious connotations)
Yeah. I also sometimes use ‘extinction-level’ if I expect my interlocutor not to already have a clear notion of ‘existential’.
It’s called an existential catastrophe: https://www.fhi.ox.ac.uk/Existential-risk-and-existential-hope.pdf or if you mean 1 step down, it could be a “global catastrophe”.
or colloquially “doom” (though I don’t think this term has the right serious connotations)
Yeah. I also sometimes use ‘extinction-level’ if I expect my interlocutor not to already have a clear notion of ‘existential’.