The Sierra Club in the United States has now really come out for population control and reduction.

Everything has to be done to build some sort of international democracy. We've seen only the tiniest beginnings of that.

This erosion of the middle class is happening all over the place. The opening of a wider gap between rich and poor is always accompanied by such a process.

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.

Redistribution of wealth would require enormous amounts of investment. The only time an elite has accepted this has been during crises, such as in America in the 1930s under Roosevelt.

What you need if you want jobs are small and medium sized enterprises, local initiatives, labour intensive work, community development, service providers and the like.

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