I'd done three solo albums in a row, and that's quite narcissistic.

Now that rock is turning 50, it's become classical in itself. It's interesting to see that development.

There have been so many articles written in the papers that want to just eliminate the environmental values business and just build aluminum factories now. But there have been an equal amount of articles of people saying listen, you just went on a money binge, are you gonna go on another binge now?

I’ve been traveling in Guatemala in the rainforest, and here all these houses are made of sticks. It seems so easy to make one.

What's happening now in Iceland is we grew and grew and grew from being one of the poorest nations in the world to being one of the richest. And then within the past 10 years Iceland discovered the stock market and it just went, went, went, went, went. I think it hit a roof and it's just crashed. Just a small percentage of the nation did a lot of damage.

I want to support young girls who are in their 20s now and tell them: You're not just imagining things. It's tough. Everything that a guy says once, you have to say five times.

Solar power, wind power, the way forward is to collaborate with nature - it's the only way we are going to get to the other end of the 21st century.