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.

The concept of national sovereignty has been an immutable, indeed sacred, principle of international relations. It is a principle which will yield only slowly and reluctantly to the new imperatives of global environmental cooperation. It is simply not feasible for sovereignty to be exercised unilaterally by individual nation states, however powerful. The global community must be assured of environmental security.

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.

Anyone who is seriously interested in me would usually do a little more homework and realise that the extreme criticisms are almost exclusively ideologically based.

I believe we are going to move into a situation where the more effective conferences will be smaller, more specialized, more focused, with occasional large gatherings to get the attention of the larger world.

The Earth Charter is important as an expression of the commitment of people throughout the Earth to evoke their own deepest moral, spiritual and ethical principles in the task of ensuring a sustainable future for those who inhabit the Earth now and those who will follow us on the Earth.

I learn something from criticism because when it comes from sources you respect you always examine it and learn.