... to the global warming side: The right honourable Nigel Lawson. (Hat tip, Maxine Clarke.)
I can't help thinking that Ball's description of the Centre for Policy Studies as "a right-wing think tank" may betray some "left-wing" bias of his own. But maybe not.
At any rate, he could well be right that a lawyer's brief on matters of climate may be of dubious utility. And Ball's final graph is certainly honest and worthwhile.
On a lighter note: The 'Global Warming Three' are on thin ice.