Global Climate Disruption is (1) a looming catastrophe for human civilization, (2) potentially a major setback for us as a species with a population crash from

Global Climate Disruption is (1) a looming catastrophe for human civilization, (2) potentially a major setback for us as a species with a population crash from billions to millions, but (3) barely a hiccup to the biosphere, just one among many pulses of extinctions.