Quote:
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Originally Posted by jamesqf
Of course there will be a time when there are fewer people on Earth. It's just that there's a choice as to how this happens: either the population is reduced voluntarily, or we continue on the present course until we replay the Permian-Triassic extinction, leaving no humans on Earth. (And of course without Earth, those in space will die sooner or later.)
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Meme-ified by my personal hero, R. B. Fuller as "Utopia or Oblivion"*. However, done properly, those in space will far surpass the carrying capacity of the planet. Stephen Hawking gives us 100 years.
Xist — No: batteries
NeilBlanchard — You [properly] list tidal first, yet it is given least weight in the chart. Given they would both operate in the same hostile marine environment, why would you (one) choose fickle wind-driven waves over the inexorable tides? Moon power!
*Intent operates on the quantum level and yet steers the macro Universe. Fascinating.