>> Don Staples <dstaples at livingston.net> wrote:
>> >Interesting article on Discovery Channel, I think this past week end,
> >about ice cores from the Artic being studied for reference to warming,
> >on a global basis. The jist of it was that there has been global
> >warming for the past 30,000 years, part of an interglaciation period.
>> I thought that was the last 10,000 years.
Withdrawal of ice sheets began some 30,000 years ago, I think I remember
reading, and the last 10,000 have been steadily warming.
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