Most of mankind’s short history has been influenced by climate and food scarcity.

World climate change is a reality.

World climate is less stable

The implications for health and wellbeing, particularly for poor people in the developing world are huge

Climatology is a difficult science, laboratory models cannot easily be constructed…but on the whole the predictions have been in the right direction

When there was a famine in Israel Isaac sent his son to buy corn in Egypt where their canny brother Joseph –thought lost if not dead-had interpreted Pharaoh's dream and built great storehouses during the years of plenty.

It is only in the last 50 years that there has been plentiful food for most people most of the time. Even today one sixth of the world’s population-1 billion people have food insecurity. Another billion people are overweight or obese….