Modern — overdeveloped — societies in the West are already in a severe crisis. Something, which will eventually turn into a long global emergency in the years and decades ahead. A five centuries long era of economic growth — ushered in by colonization and leading to the plundering of natural, mineral and most of all fossil fuel resources —
I remember seeing a 1980s documentary about survivalists. They were running around in radiation suits, hunting deer.
There were prior waves, like back to the land.