Core sampling and analysis for CO2 content does show periodic and cyclic
variations in CO2 levels. However, the quantities of CO2 have increased
dramatically over the last 100-150 years.

Regards

John Barnard

-=jd=- wrote:

On Sun 30 May 2004 11:55:33a, (Diverd4777) wrote in
message :

{snipped}

In the past, retreating glaciers dumped enormous amounts of fresh water
very suddenly into the North Atlantic, and the currents stopped



sarcasm
Preposterous! How could this have *possibly* occurred "naturally" before
without any influence from "man"?
/sarcasm

-=jd=-
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