He hasn’t backtracked. Labour are still going to invest billions in green tech, green research and green jobs.
They’re still going to create a new state-owned green energy company.
They’re still going to phase out diesel cars.
They’re still going to change planning laws so that we can build more onshore wind, more quickly (as well as other green infrastructure, like trams and rail).
They’re still going to ban new licences for North Sea Oil extraction.
And Ulez in London is going ahead as planned without delay.