If Australia were to refine the uranium for export you wouldn't need anything special in the ways of shipping other than good containment and careful handling.

If Australia were to refine the uranium for export you wouldn't need anything special in the ways of shipping other than good containment and careful handling. If you replaced all power generation with nuclear that alone would drastically reduce the amount of shipping necessary for oil, gas and coal to a point where you would hardly need to be concerned about it. There's even a relevant xkcd https://xkcd.com/1162/ https://xkcd.com/1162/