Nevertheless, the concept of sustainable development is now known - even amongst those who haven't accepted it - and it's recognized, debated and followed by an increasing number of businesses.

Inertia is a powerful force in human and political affairs.

What if a small group of world leaders were to conclude that the principal risk to the Earth comes from the actions of the rich countries?... In order to save the planet, the group decides: Isn't the only hope for the planet that the industrialized civilizations collapse? Isn't it our responsibility to bring that about?

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.

I am a socialist in ideology, a capitalist in methodology.

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

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.