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I have no idea what book might have first explored this idea, but it's a very common theme online whenever this type of discussion comes up: someone will inevitably point out that any post-human-extinction civilization that might evolve on Earth won't have such easy access to energy as we've had.


It's obvious once you think about what enables our current industrial activity: millions of years of biological growth and sedimentation. But it's all equivalent to solar radiation that was incident on the planet over millions of years which we have burned up in less than a few hundred. Once you understand this basic reality the logical conclusion is very clear and obvious: the current rate of consumption is unsustainable. The obvious next question is what can be done about it but no one wants to think about it so it never gets addressed. Presumably someone higher up the political and economic hierarchy is thinking about it and they will manage things as best as possible but based on how people reacted to COVID lockdowns I'm not sure they know what they're doing.




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