A co-founder of the likes of Extinction Rebellion and Just Stop Oil, Roger Hallam, has spent much of the past decade helping organise civil disobedience in Britain. But why listen to a 59-year-old man fresh out of prison?

A co-founder of the likes of Extinction Rebellion and Just Stop Oil, Roger Hallam, has spent much of the past decade helping organise civil disobedience in Britain. But why listen to a 59-year-old man fresh out of prison?