If the economy becomes disembodied from society it can only lead to disaster.

Now we are flying off into outer space, there is no clear curb on what can be done in the name of the economy.

What I worry about is climate change, because that would have untold effects that we can't even measure yet.

If we wait for the U.S. to do something, we will be waiting for a very long time. It's Europe, it's Australia, it's the other developed and middle developing countries that have got to do the job.

Having enough to eat, being able to educate your children, have reasonably stable employment, and being able to live in a society which isn't collapsing around you-all of these things have been generally eroded.

How do we get democracy at the international level? That's our problem. and it's essentially the same problem people faced in the 18th Century when they tried to get democracy nationally. Now we need it internationally.

There's people coming in who've never done any politics at all, who've never been in a trade union, they've never been in a political party, they've never done anything, but they do feel a kind of urgency.