Only around 2% of the earth's surface is cultivatable land.

The natural capital is not income, but we spend our natural capital as if it were revenue, as if it were going to come back next year without any problems, whereas these renewals in nature can take hundreds of years.

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 it missing, I think, is this notion of the common good.

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

I think the market is always going to be around. The goal is not to say, let's get rid of the market, because the market does render a huge number of services, and I don't want to have a fight about the price of something every time I buy a book or a bottle of water.

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