John Houghton, the former head of the UK Meteorological Office,
to say (2003/07/29)
political comment on this science in the Guardian
And (this should scare you, if nothing else does) read what the US Department of Defense thinks about global warming (Observer 2004/02/22)
This informative graph obtained from http://www.met-office.gov.uk/research/hadleycentre/CR_data/Annual/HadCRUG.gif (website now completely changed and this file no longer available).
Current (Jan 2011) Hadley Center/UK Met Office global temperature record:
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