File:Olduvai.PNG

Summary

Description
Español: Gráfica que muestra el nivel de consumo de energía de 1930 a 2005. En color verde, etapas de crecimiento; en color azul, etapas de estancamiento; en color rojo, etapas de declive.
English: Per capita consumption of United States and the world of 1930 to 2005.
Date
Source Richard C. Duncan (2007), "The Olduvai Theory: Terminal Decline Imminent".
Author Jmos

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Category:Self-published work#Olduvai.PNGCategory:PD-self#Olduvai.PNG Category:Development Category:Olduvai theory
Category:Development Category:Olduvai theory Category:PD-self Category:Self-published work