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Met Office global warming figures 'are fatally flawed and could result in millions being squandered'
Think tank led by former Tory chancellor Lord Lawson says figures that shape climate change policy are 'biased'
HadCM3, a programme used to predict the effect of carbon dioxide levels, also attacked in report by group
Large sums of money could be 'malinvested' as a result, it is claimed
Hotly disputed by Met Office, who says they are confident in their figures
Report a 'stunt' by Global Warming Policy Foundation, one expert said
The Met Office’s global warming predictions are flawed and could result in millions of pounds being squandered, it is claimed.
A report for a think tank led by former Tory chancellor Lord Lawson says a computer programme behind figures that shape climate change policy is biased in favour of higher temperatures.
Large sums of public and private sector money could be ‘malinvested’ in everything from wind farms to heat-proof road surfaces as a result, it claims.
Lord Lawson, chairman of the Global Warming Policy Foundation, said: ‘The Government’s policy of abandoning cheap conventional energy and moving to expensive (and unreliable) renewable energy has always been of dubious merit.
'The fact that it now emerges this policy has been based on projections by a computer model which has been found to be fatally flawed means that an independent expert review of the model and its projections is both essential and urgent.’
The claim, hotly disputed by the Met Office, comes as scientists and officials meet in Stockholm to finalise a major report by the United Nations’ Intergovernmental Panel on Climate Change.
Experts claim the think tank timed its report to undermine the IPCC, which is expected to say the case for man-made global warming is stronger than ever.
The report attacks HadCM3, a programme used to predict the effect of carbon dioxide levels
It says there is a glitch in the way it factors in the impact of low-lying cloud, with estimates of small temperature rises adjusted upwards. Report author Andrew Montford said: ‘The UK’s official climate predictions are therefore unreliable and excessively alarmist.
‘The problem is highly technical but its implications are that the model, as currently used, will always provide high estimates of future warming