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> The reason being the current system requires endless growth (measured currently in GDP) in order sustain this many people with current standards of living.

I don't think we are anywhere near the growth limit on the planet. (Economic) Growth is mostly limited by energy use, and current tech can handle growth for about a century. Add technological evolution, and we're easily in the 500 years range of energy use increase.

By then, all bets are off. Heck, for the 100 year span all bets are off.




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