At the beginning of presentations introducing The Hunger Project (THP), we often address the difference between chronic hunger and famine. We talk about how images of emaciated children in war-torn countries are often what flow through our minds when someone says “world hunger.” And we talk about how unfortunate it is that, though victims of famine account for only eight percent of the world’s hungry, those images make headlines, while chronic, persistent hunger does not.

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LONDON, Aug 8 (Reuters) - Markets in water rights are likely to evolve as a rising population leads to shortages and climate change causes drought and famine.

But they will be based on regional and ethical trading practices and will differ from the bulk of commodity trade.

Detractors argue trading water is unethical or even a breach of human rights, but already water rights are bought and sold in arid areas of the globe from Oman to Australia.

Areas where food supplies could be worst hit by climate change have been identified in a report.

Some areas in the tropics face famine because of failing food production, an international research group says.

The Climate Change, Agriculture and Food Security (CCAFS) predicts large parts of South Asia and sub-Saharan Africa will be worst affected.

Its report points out that hundreds of millions of people in these regions are already experiencing a food crisis.

NEW YORK (CNNMoney) -- The United Nations said Wednesday that about 1.3 billion tons of food is lost or wasted every year, which amounts to roughly one third of all the food produced for human consumption.

The UN's Food and Agriculture Organization commissioned a report on food loss and waste as rising prices and diminished production worldwide have contributed to an increase in food insecurity.