How to Save a World From a Cataclysm?

My name is Brett Hall. I'm a simulated version of the person with the same name who lived last millennium. You're 25 years old and have lived your entire life like this, and no one around you knows why things now are very similar to the way things were back when there was fast progress. So let me provide you with some of the crucial knowledge you need to get things up and running again in the broadest possible terms. Consult the archives for further particulars about how to generate electricity at scale in all kinds of weather at all times of day and night and so on. Have savingly crucial as that particular knowledge is, and much more besides - I want to provide you with what