Downing Street and Treasury clash over cost of going net zero

A rift has opened up at the top of the government over tacking the climate crisis, with Downing Street reported to have taken issue with chancellor Philip Hammond’s claim that it would cost the UK more than £1tn to achieve net-zero greenhouse gas emissions by 2050.

Hammond’s forecast for the cost of a net-zero transition triggered a backlash from green groups earlier this week. The chancellor said it was based on estimates made by the Department for Business, Energy and Industrial Strategy that projected the annual costs of a net-zero transition to be £70bn a year.

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