Full extinction seems unlikely, yeah. Reverting to low-tech after civilizational collapse... that one seems far too plausible to me. And we've used up loads o

Full extinction seems unlikely, yeah. Reverting to low-tech after civilizational collapse... that one seems far too plausible to me. And we've used up loads of the easily-accessed coal and oil. industrial revolution 2.0 may not actually be feasible.