There have been 4 Ice Ages in the last 2 million years, and 4 massive warm-ups in between. Only the last 500 years can be (at most) attributed to Man. We can't explain why the Ice Ages, so why are we so hyped up to rebuild the world with such a short base line.
Besides, the world is going to be rebuilt over the next 50 years anyway, from pure economic reasons, anyway.
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