When the Committee on Climate Change (CCC) launched its report on the feasibility of entirely decarbonising the UK economy, we were told the expense involved was manageable. The CCC’s chief executive Chris Stark explained that the project ‘carried a cost – of one to two per cent of GDP – which was affordable’. His claims were noted approvingly by MPs during debates in Parliament on whether to enshrine a ‘net zero’ emissions target in law. While others complained about the lack of a clear cost-benefit case, CCC chairman Lord Deben put aside these concerns. He told the Lords: ‘the report has been recognised universally as the most seriously presented, costed effort…’ A recent leader in The Spectator said the CCC had been ‘admirably candid.’ If only.
The truth is that the CCC has not given a full estimate of its net-zero target. The only fact it has offered is that the cost would be one to two of GDP in the year 2050.

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