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 am retired from all my official roles, but I am still very active. I have close relationships at the U.N. I don't have any role at the U.N, but I'm still quite cooperative with a number of U.N. activities, in particular to China and that region.

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

Not to say that corporations are perfect today, but even grand corporations like Dupont have made immense progress in translating some of their past environmentally damaging practices into new profit opportunities.

So, what we do as individuals matters. It adds up.

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.

Occupy World Street is a masterpiece which deserves to get wide circulation and commitment by world leaders.