Well, one plane crashing or one building falling, destroying something valuable and killing "only" a few dozen people is considered a catastrophe. I think we ca

Well, one plane crashing or one building falling, destroying something valuable and killing "only" a few dozen people is considered a catastrophe. I think we can say the bar for "catastrophe" is lower than that for "apocalypse". The higher global average temperatures alone are already a yearly catastrophe, by this standard.