Andy Burnham writes that his determination to tackle the climate crisis is “unwavering” and that the transition must not leave communities behind ( We will make the net-zero transition work for Britain – approving the Jackdaw gasfield is part of the plan, 22 October ). Whatever one thinks of Jackdaw, the test of that pledge is whether people are also protected from climate impacts that are already here.

The research that you reported on last week attributed two-thirds of the heat deaths that it estimated – 4,354 of them in the UK – to climate change.

The numbers from that study were not available when the health secretary took questions in the Commons last Tuesday, but the signs were – stretched ambulance services, cancelled operations and overheated wards. Heat was barely mentioned.

The prime minister says that he will not be “so careless with people’s lives” as oil and gas workers face the transition.…