Ian Katz, the deputy editor of the Guardian, has been appointed the editor of BBC's flagship current affairs programme Newsnight.
You can probably work out where he stands on climate change issues, but if you were in any doubt here's his eulogy to the "beauty" of the 10:10 campaign, of exploding children notoriety.
A always think it's interesting to analyse where the BBC recruits externally and where its staff go to when they leave. I'm thinking of Polly Toynbee's departure for the Guardian for example. Perhaps readers can suggest other examples of revealing departures and arrivals.