Australia is a vast area, with different climates it is also prone to droughts and floods. But if you mean climate change well the extra CO2 is increasing vegetation, up to 14% in some places, especially in the arid semi desert areas, because more CO2 means plants need to transpire less so are more efficient with their water use.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.