Quote:
Originally Posted by dgavin
However it's not as bad as it sounds, as our prehistoric hunter-gatherer ancestors live through both the kind of climate variable situation we are moving to-wards, and through an ice age.
We are a hardy species!
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One should not forget the fact that people of that time had very different lifestyle and the human impact was much smaller, and the fact that Earth's climate has been unusually stable the time humans have had civilizations. We don't know what happens if temperatures jump many degrees in a century or less.