Andy Burnham has barely acknowledged the climate crisis. If only Britain’s workers had that luxury | John Harris

Nurses collapsing, builders with heatstroke, bus drivers in cabs that reach 44C. The new PM wanted to spend the summer talking about the cost of living – he should change his plans I don’t think I have ever written before about a British strike directly related to the climate emergency. But that’s exactly what began late last week in north London, with a zeitgeisty connection to Andy Burnham’s fixation on buses: picket lines outside depots and massed walkouts, while the temperatures in the relevant parts of the capital and its suburbs hovered at about 34C (93F). Last Friday, more than 1,500 drivers employed by the transport giant Arriva began a planned run of 26 stoppages through to October, affecting bus routes spread between London and Essex. Everything is being led by the union Unite, whose recent grievances include alleged company union-busting and assaults by the public on staff. But the fundamental basis of the dispute is at the heart of the national condition: the near-impossibility for millions of people of working through another insanely hot summer. Most of Arriva North London’s buses, says Unite, have old-fashioned air cooling systems rather than air conditioni