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For the vast majority of the earths history there has been no ice at the poles. We are coming out of an ice-age currently which is why there are still some rem

• gjm11 10y ago
  > the vast majority of the earth's history For the great majority of the earth's history there were no humans either, but I personally would be upset at the prospect of that situation recurring. https://en.wikipedia.org/wiki/Antarctic_ice_sheet https://en.wikipedia.org/wiki/Antarctic_ice_sheet seems to indicate that there has been a south polar ice cap for tens of millions of years. https://en.wikipedia.org/wiki/Arctic_sea_ice_ecology_and_history https://en.wikipedia.org/wiki/Arctic_sea_ice_ecology_and_his... suggests that there's less consensus about the north pole but the corresponding figure seems to be probably at least 700,000 years. I'm sure the earth is in no danger from the melting of the ice caps, but that doesn't mean it wouldn't be bad news for us.
  • deleted 10y ago
    [deleted]