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

If you want to maintain a sustainable supply of fish you have to farm the fish, rather than mine them. So putting your money into fishing fleets that are going to exacerbate the problem by over-fishing is not the way to preserve the underlying asset.

Inertia is a powerful force in human and political affairs.

Rumors of my wealth are greatly exaggerated. I have never been interested in money.

Isn't the only hope for the planet that the industrialized civilizations collapse? Isn't it our responsibility to bring this about?

A citizen of an advanced industrialized nation consumes in six months the energy and raw materials that have to last the citizen of a developing country his entire lifetime.

The Prime Minister of India, at a meeting that I co-chaired a few months ago, stated that any development that is not sustainable is not development.