There's no debate about the greenhouse effect, just like there's no debate about gravity. If someone throws a piano off the roof, I don't care what Sarah Palin tells you, get out of the way because it's coming down on your head.

The truth is, we have this idea that late night is about creativity and being cool, but that's not our job. Our job is to get as many people watching the commercials in between our show. That's the reality of it.

Real emotion is good - or doing a good job of faking real emotion.

I definitely feel pressure to keep slim. I don't want to be the guy who lost weight and gained it all back. But it's hard. Sometimes I'll gorge and gain nine pounds in a weekend somehow, and I get bummed about it.

If you take energy and climate change, you really cannot deal with the problems with energy and climate change without European co-operation at a high level. If you take digitalisation, it's an obvious area where European co-operation can actually make a difference.

Over and over, the economy has determined the extent of our response, but how much value does it place on breathable air, drinkable water, edible food and stable weather and climate? Surely the economy is the means to a better future, not an end in itself. Surely it must be subordinate to a rich, diverse ecosphere that sustains all life.

It's not difficult getting into the charts in Sweden. It's a very different musical climate, and in a very good way, I think, because artists like Jose Gonzalez or The Knife can actually get on the charts.

Fossil fuels and mining is a short-term gambit. If we develop those resources at the expense of the environmental gold mine that is the Great Barrier Reef, we will all lose in the long run.