interesting. the widespread dissemination of knowledge should make it easier to bootstrap ourselves up even after an apocalypse, but we certainly have tried to use up the easily accessible energy and minerals.
Most of the dissemination is digital, which isn't so helpful if there is anything that kills power supplies. Saving coal might be a good part of a global disaster recovery plan, but I think we'll need the whole plan before we can really tell if it is a useful part of one.