"Jim Logajan" wrote in message
.. .
"John Mazor" wrote:
"Matt W. Barrow" wrote:
What evidence of globa;l warming?


which are simple enough even for the layman to follow.

I'm a lazy man myself, and although I think the preponderance of evidence
(and basic considerations of physics) suggests human activities have been
a
factor in changing the climate,

Sure have; .05C out of 1C at most. In most places that call this background
noise.

We're also a "factor" in global cooling (i.e., sulphur dioxide (?) and
other REAL pollutants.).