Inertia is a powerful force in human and political affairs.

Well they do have a use, but we should never believe that any international conference is going to suddenly solve problems like the condition of the global environment.

Either we reduce the world's population voluntarily or nature will do this for us, but brutally

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.

We're either going to save the world or no one will be saved.

My belief is that the purpose of economic life is to meet the social needs of people.

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.