Tag Archives: net energy cliff

Gail Tverberg: 2017 The year the world economy starts coming apart

[ Note: In a 2016 post “Overly Simple Energy-Economy Models Give Misleading Answers” Tverberg points out that: “The common lay interpretation of simple models is that running out of energy supplies can be expected to be our overwhelming problem in … Continue reading

Posted in Limits To Growth, Net Energy Cliff | Tagged , , , , | 5 Comments

Civilization goes over the net energy cliff in 2022 — just 6 years away

[ Below are excerpts from 3 posts by Louis Arnoux (see the full versions here) and a 1-hour video explaining the Hill’s group report here.  Since then I’ve been researching the Hills Group report and didn’t know enough math to … Continue reading

Posted in Cascading Failure, EROEI remaining oil too low, How Much Left, Interdependencies, Limits To Growth, Net Energy Cliff, Predictions, Scientists | Tagged , , , , , , | 20 Comments

How much net energy return is needed to prevent collapse?

[ Charles Hall, one of the founders of EROI methodology, initially thought an EROI of 3 was enough to run modern civilization, which is like investing $1 and getting $3 back. But after decades of research, Hall concluded an EROI … Continue reading

Posted in Charles A. S. Hall, EROEI Energy Returned on Energy Invested, Net Energy Cliff | Tagged | Comments Off on How much net energy return is needed to prevent collapse?

Net Energy Cliff Will Lead to Collapse of Civilization

The remaining oil is poor quality, and the energy to get this often remote oil so great that more and more energy (blue) goes into oil production itself, leaving far less — the grey area — available to fuel the … Continue reading

Posted in 2) Collapse, 3) Fast Crash, An Overview, By People, Energy, EROEI Energy Returned on Energy Invested, Net Energy Cliff, Stages of | Tagged , , , , , , | 3 Comments