John Michael Greer makes a really important provocation. He begins explaining a few things about the current world that everybody not living in a hole already knows: Our current industrial society was just a non repeatable huge stroke of luck, made possible by access to an immense supply of cheap, highly concentrated fuel that took million years to produce, and was worth extracting (same theme of Never mind the debt!
- (this is my attempt to understand and summarize in less than 500 words, in order to make it accessible to as many people as possible, a very important issue I’ve read about in the sources quoted below. Comments and corrections are very welcome) EROI (energy return on energy invested) is the ratio between the energy available for the economy and the energy it takes to produce that energy. An EROI of 100:1 means that the world gets 100 KWh for every KWh consumed to extract, process and distribute oil, carbon or any other power source, including renewable ones.