It really is quite inconvenient to share the same hemisphere, indeed the same planet, with Russia and China!Australia and New Zealand best placed to survive nuclear apocalypse, study finds
Researchers say food and energy security boosts prospects for civilisation to continue, along with Vanuatu, Iceland and Solomon Islands
I expect and the report does mention the possibility that Australia could face a nuclear attack but otherwise something called Hadley Cells prevent hemispheric mixing of dust and other atmospheric stuff to a large extent.
The original article is to be found here.