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

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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?