When old friends meet after a long while, conversation soon turns to the way of the world. Last week’s partial lifting of lockdown has thrown up plenty of opportunities to catch up with old friends.

“So what have you been up to?”, was my fatuous ice breaker with a former FTSE 100 CEO, now chair or member on half a dozen international boards. The answer surprised me: “Do you know what takes up most of my time in my business life?” “No” “ESG”.