Re: Global warming deniers

In article <1145044340.049681.100770@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Tracy P. Hamilton <t_p_hamilton@xxxxxxxxx> wrote:

uraniumcommittee@xxxxxxxxx wrote:
Inez wrote:
I understand why some people wish to deny evolution; they feel it
threatens their religion. But I am puzzled by people who deny global
warming. What is their motivation?

Are they unnaturally fond of their large polluting pickup trucks with
Yosemitie Sams on the mud flaps? Do they hate people in hurricane
prone areas? Do they dislike penguins or glaciers?

What evidence is there for 'global warming'?

Temperature measurements, mainly.

Interestingly, to me at least, is that the surface temperature record are
perhaps the weakest line of evidence. Or maybe that's more a statement
of what I find most persuasive. For individual lines of evidence, I
prefer borehole temperatures, glacial retreat, sea ice retreat, changes
in growing season, migrations of species, tree rings, stable isotopes,
permafrost depth and thickness, ...

But the truly persuasive part is that with these multiple lines
of evidence, each of which has different sources of error, all of
them point the same direction.

After all, we are still leaving the ice ages,

Full bibliographic citation to the peer-reviewed scientific
literature please.

--
Robert Grumbine http://www.radix.net/~bobg/ Science faqs and amateur activities notes and links.
Sagredo (Galileo Galilei) "You present these recondite matters with too much
evidence and ease; this great facility makes them less appreciated than they
would be had they been presented in a more abstruse manner." Two New Sciences

.

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