Re: Long post, meet longer post
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Was the world more polluted when the earliest humans lived in caves? Somehow that seems doubtful.
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You would not need to ask this question if you lived near an indian reservation.
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Haha. But THE ENTIRE WORLD was less polluted when people lived in caves, even if the immediate areas surrounding the caves were more polluted back then.
Six billion people pollute the entire world a lot more than did maybe a couple hundred thousand.
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