The combination of population growth and the growth in consumption is a danger that we are not prepared for and something we will need global co-operation on.

I was with Ted Turner when he came to see Kofi Annan - the Secretary-General of the UN - to announce his decision to put $1 billion to the service of UN projects and programs.

Isn't the only hope for the planet that the industrialized civilizations collapse? Isn't it our responsibility to bring this about?

One of the things that Ive always thought I would like to do is to develop an environmental index. Then people can measure their own environmental performance on an index as they do in other ways.

Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child.

I am convinced the prophets of doom have to be taken seriously.

We must, from here on in, all go down the same path... There may not be another chance.