On Tue, 15 Dec 2009 23:12:37 +1300, "Russell McMahon" said:

> However, overall the probable inability of man to noticeably influence
> long term climate cycles in many manner at all will ensure that from
> some time in the next century onwards we will not need to be concerned
> about glacial retreat for about the next 90,000 years.

Let me get this straight - if we make it through the next 90 years, the
90,000 after that will be easy? 

Because the most optimistic predictions I have heard of say the
(north)polar ice cap will be gone by 2030.

Cheers,

Bob

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