Relax, everyone: Elon Musk has a mantra to make the climate crisis go away | Emma Brockes

It’s simple, says the SpaceX boss – according to something called the ‘Kardashev scale’, we just have to move energy production ‘off-planet’ Next time the weather gives the UK 61 days without rain and we wonder idly if this is the end, there is a term we may whistle up to soothe us. Like murmuring the rosary, or putting our fingers in our ears and humming, this phrase is to be mumbled on repeat – “the Kardashev scale, the Kardashev scale” – a buzzy concept in tech, much favoured by Elon Musk,…