If we did go into a recession, something that's always possible for the U.S. or Europe, we could lower interest rates and expand the money supply without worrying about the price of gold.

This is our greatest challenge: learning to live in a crowded and interconnected world that is creating unprecedented pressures on human society and on the physical environment.

Business often does a good job supporting communities: the arts, universities, and scientific enterprises... But that philosophy has rarely reached poor countries. Even businesses that are enlightened in their home bases see Africa, Latin America, and parts of Asia as places to exploit natural resources or use cheap labor.

In my view, there is an urgent need to communicate with the public and help to explain where there is consensus, and where are there doubts about the issues of sustainable development.

Soil mapping is one of the pillars to the challenge of sustainable development

Roosevelt talked not only about Freedom from Fear, but also Freedom from Want.

We are not at war (except with our own demons).