It is 12 years now since a tranche of emails were scraped from the server of the University of East Anglia in what became know as Climategate. An East Anglia climate server was hacked, and the documents were pored over. The story won’t go away, not least because the BBC has just put out two programmes on the subject: a TV drama called the Trick, and a Radio 4 documentary called ‘The Hack That Changed the World’.