How much can financiers do about climate change?

IN THE MAYFAIR office of Chris Hohn, the boss of TCI, a hedge fund, an enormous photograph of a melting iceberg hangs on one wall. Robert Gibbins, the founder of Autonomy Capital, another London hedge fund, says his desk is adorned with the deformed remains of a car bumper, melted by an Australian wildfire. An interest in modish office decor is a long-standing feature of high finance. An interest in climate change, though, was until recently rare; the preserve of boutique investment houses and pokey back offices in the large asset managers. Now it is all the rage.