Aberdeen Press and Journal: Government officials in Australia have warned that its main food-producing region – the Murray-Darling river system – may be facing permanent change because of climate change. Continuing drought conditions are causing concerns as are forecasts that indicate the coming year will be a “shocker” in terms of rainfall. Long term, there is a 60-70% chance that rainfall over the next decade will be below average annual levels. The amount of water flowing into the area is …