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The United Nations recently published a stating that reducing birth rates could aid in reducing carbon emissions. In response The Australian ran an opinion questioning how it would be possible to reduce fertility rates in western societies considering the issue is generally considered taboo. Australia is a country where climate change and water shortages are increasingly important issues and are set to affect all Australians in some form. Professor Graeme Hugo presented a seminar as part of the Environment Institute's entitled "Is water a limiting factor for population growth in South Australia?" In it he examined how the population demographics are going to change around the world and within South Australia over the next by climate change. Listen to the of Graeme Hugo's seminar.