At her first press conference today, new ECB President Christine Lagarde said “We will take up climate change…and see where and how we can participate in that particular endeavor.” You can’t be a self-respecting central banker without talking about climate change these days. But is there really a role for central banks to play? There is a clear risk to financial risk stemming from climate change, so supervisors should be engaging with this. But the role for monetary policymakers is murky. See here for my latest in the Financial Times.