Jonathan Dove’s new “church opera” came about because he took a trip to the Arctic – and decided to make art out of climate change. “I thought Adam and Eve could make a journey down the nave of Salisbury Cathedral that lasted 45 minutes. … It would cover the time between them being banished from the Garden of Eden and actually walking out of the gate. It would go through their different emotions, remembering how wonderful Eden was and the things they’d lost, but also offering some hope for the future.”