Net zero

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