Another day, another pledge. The government is launching a £3 billion strategy to cut carbon emissions. It'll be formally announced in the chancellor's "summer economic update".

Liam Byrne, Labour MP for Birmingham Hodge Hill and former chief secretary to the Treasury, tells Bloomberg Westminster's Roger Hearing and Sebastian Salek what we need to hear from Rishi Sunak to find out if he's all talk or not.

But has the chancellor already slipped up? Bloomberg's Brexit editor Edward Evans and UK economy reporter Lucy Meakin join to discuss.

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