Fig. 10
From: Deriving EROI for Thirty Large Oil Companies Using the CO2 Proxy from 1999 to 2018
Relationship between EROI and NEG (Euan Mearns diagram, who called it the energy cliff)
Fig. 10 | Biophysical Economics and Sustainability
From: Deriving EROI for Thirty Large Oil Companies Using the CO2 Proxy from 1999 to 2018
Relationship between EROI and NEG (Euan Mearns diagram, who called it the energy cliff)