You cannot achieve environmental security and human development without addressing the basic issues of health and nutrition.

It's very difficult to evaluate a leader in a very short-term perspective because to be a leader you must be able to have a long-term perspective. You must be able to carry changes which take many years. And this is why you can really only see whether it has been a good leadership after some years have passed.

Contaminated food is a major cause of diarrhea, substantially contributing to malnutrition and killing about 2.2 million people each year, most of them children.

I have seen this happen in recent years with regard to pharmaceuticals and vaccines, where, working together, we are improving access to medicines and vaccines for infectious diseases in the poorest countries.

A cigarette is the only consumer product which when used as directed kills its consumer.

During my nearly five years as director-general of WHO, high-level policymakers have increasingly recognized that health is central to sustainable development.

Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.