The botanist has added his two penneth to the debate in a rather
interesting piece in the comment section of today's (Monday) Times...
It starts:

"Am I worried about man-made global warming? The answer is "no" and
"yes".

No, because the Hadley Centre for Climate Prediction has come up
against an "inconvenient truth". Its research shows that since 1998
the average temperature of the planet has not risen, even though the
concentration of carbon dioxide in the atmosphere has continued to
increase.

Yes, because the self-proclaimed consensus among scientists has
detached itself from the questioning rigours of hard science and
become a political cause. Those of us who dare to question the dogma
of the global-warming doomsters who claim that C not only stands for
carbon but also for climate catastrophe are vilified as heretics or
worse as deniers..."

The full article is at

http://www.timesonline.co.uk/tol/com...cle2709551.ece