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.

The real goal of the Earth Charter is that it will in fact become like the Ten Commandments.

What pleases me most is that sustainable development is on almost everybody's agenda now.

We may get to the point where the only way of saving the world will be for industrial civilization to collapse.

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.

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.