Lord Neill wrote to Mr Collins to explain his decision, saying that even if it were alleged that evidence presented to the committee fell short of "complete accuracy" that did not mean that the committee should embark on an investigation into the matter.

BBC: Labour chief avoids Neill probe

It presupposes that there is such a thing in a chaotic system as a "global climate" from which a global mean temperature can be calculated and that it can in any way measurable with any accuracy.

BBC: Global warming: Andrew Pendleton and James Delingpole