While both candidates have committed to tackling climate change in some form, neither has been as forthright in their support for Net Zero as the current government.
We should get a sense of what voters in key electoral battlegrounds are feeling about the main parties. There are some key tests for Labour.
There are 36 seats in the North where they under-performed predictions, suggesting that the Red Wall has further to fall.
56 per cent of these voters were persuaded by the Conservatives’ pledge to “Get Brexit done”, compared to 34 per cent of other Tory voters.