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Arithmetic, Population and Energy - a talk by Al Bartlett
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Physicist Al Bartlett's well-known lecture on the arithmetic of exponential growth, applied to population, energy consumption and resource depletion. He argues that steady percentage growth cannot be sustained on a finite planet and that most public discussion ignores this.
HN commenters cite it as a mind-changing introduction to exponential growth, though some note his peak oil predictions did not pan out.
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