As part of a series of Autumn lectures inspired by Pope Francis’s Let Us Dream, the great London church of St Martin-in-the-Fields in Trafalgar Square invited me to speak on the topic of “Our dream for the planet” on October 25th. The other panelists were Bishop Nicholas Holtam, until recently the Church of England’s lead bishop on the environment and Dr Emily Grossman, a climate scientist with Extinction Rebellion. Watch it here. Or read on for the text of my address.