AAP: Doctors and scientists fear global warming will lead to more disease, death and violent conflicts as nations fight for food and water. In a new report, 60 researchers warn climate change will have devastating impacts on the health of Australians as the world warms by a predicted minimum of two degrees over the next century. They fear extreme weather events such as droughts, floods and cyclones will affect Australia's food security while ecosystem changes will increase diseases such as dengue and...