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> But given enough electricity, we could easily grow enough food to feed the entire planet in a relatively small amount of space.

Sure, in a hypothetical world. But in the real world, what percentage of our crops are currently being grown under UV bulbs? It's a vanishingly tiny percentage. The problem is not that it's impossible to grow without sunlight. The problem is that it's impossible to transition to a low-sunlight world without a few years of global famine and a massive human die-off.



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