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[Rob <becida AT comcast.net>]

At  3/26/2008 06:46 PM,Jerry W. Shepperd wrote:
> There is no doubt that global warming is
> real.  According to an article in the April 2008
> issue of Science, "surface temperatures have
> increased 4.5ºF (2.5ºC) in the last 50 years on
> the Antarctic Peninsula, the mountainous arm that
> trails toward the southern tip of South America."
> The question is not is it real; rather, the question is what is causing it.
>
> Jerry Shepperd

What is 50 years in geologic (Earth) time? No 
much. You can't talk about global climate or 
global cycles without dealing with the whole 
world and it's history. Hell the ice sheets have 
only been off Minnesota 8 or 9 thousand years 
after being there for around 70 thousand years.
http://nature.ca/notebooks/english/iceage.htm

http://www.esd.ornl.gov/projects/qen/nercNORTHAMERICA.html

What is causing it? Earth cycles...

There is so much we just don't know.




Rob
becida AT comcast.net