Quote:
Originally Posted by iruinedyourday
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Anyone knows that global warming MAY make life on earth inhabitable.
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He specifically said that this might happen in the next couple generations. Even the most insanely pessimistic estimates I could find only say that something like half the Earth would be uninhabitable by the year 2300. And all these estimates are pretty batshit insane in themselves, considering Earth has gone through periods with something like 10-20x the current CO2 and life still flourished.
Incidentally, runaway greenhouse ala Venus will take 1.5 billion years, even if man continued pumping out the same CO2 he is now, and he'd run out of oil/coal long before then. There simply isn't enough carbon on earth to produce enough CO2 to lead to a runaway greenhouse effect.
Either Bernie is incredibly optimistic about the increase in lifespan over the next couple generations and he thinks his grandchildren will live to see the year 2300, or he's a crackpot.