The Wire

Have you ever wondered how much water it takes to produce one kilo of beef? Up to ten thousand litres. But because we don’t place a monetary value on water this is not reflected on the price of products that we export. Today researchers from around the world are meeting in San Francisco to discuss the future of virtual water trading. Its a concept that would separate the ideas of real water and virtual water. UniSA Professor Jennifer McKay is on her way to the meeting and she explained to Rosalie Panetta how the system works.