Extinction Rebellion (XR) and Insulate Britain co-founder Roger Hallam has been touring the UK recently, recruiting for his latest nonviolent direct action project: Just Stop Oil. Among other things, he’s been telling audiences that we’re looking at experiencing a 7 ºC temperature rise by 2042 (possibly sooner) – and that solving the climate crisis ‘is not complicated’.
These claims deserve examination. Hallam expressed them, for example, in a talk in Hastings on 10 January. (I’m…