From the age of 8, I was running media campaigns on global issues back home in Australia. I was ever so slightly precocious. I would meet with senior Australian government officials, including the prime minister and foreign minister, proposing various solutions to third-world debt and malnutrition.
What happens when corn and wheat prices rise is that we see real increases in malnutrition and under-nutrition. And when children are malnourished, their brain development actually slows down and is affected. So this is not just a short-term impact.
Beware the ends of the earth and the exotic: the drama is on your doorstep wherever the slums; are, wherever there is malnutrition, wherever there is exploitation and cruelty.
Close to a billion people - one-eighth of the world's population - still live in hunger. Each year 2 million children die through malnutrition. This is happening at a time when doctors in Britain are warning of the spread of obesity. We are eating too much while others starve.
South Sudan is my home, and I am humbled to be in a position to help those suffering from lack of access to basic needs, especially the children facing severe acute malnutrition.
My own motivation has come from the fact that all the indicators in the world, the hunger index or whatever index you say, shows a high prevalence of malnutrition.
Micronutrient deficiency in the soil results in micronutrient malnutrition in people, since crops grown on such soils tend to be deficient in the nutrients needed to fight hidden hunger.
Contradictory as it seems, malnutrition is a key contributor to obesity.
Most of the villagers were hiding in the bush, where they were dying from bad water, malaria and malnutrition.
Our foremost priority is the removal of poverty, hunger and malnutrition, disease and illiteracy. All social welfare programmes must be implemented efficiently. Agencies involved in the delivery of services should have a strong sense of duty and work in a transparent, corruption-free, time-bound and accountable manner.
