Being part of a nation with abundance in food and resources + a wealthy educated population has to be a big advantage in adapting to the changes.
Generally I think people catastrophise climate change a bit much from a will we survive perspective. Its going to be bad, but humans are smart and resourceful. This is going to happen over a long time by human standards so there will be plenty of time to respond and adapt, even if that means living in caves or biospheres much of the time. I think the environmental loss will be sad and westerners will see declines in our living standards as we need to readapt to a new world. but overall most western nations should continue on and the worst will be those unfortunate to be in poorer and badly located geographies like Bangladesh which will be hit in multiple ways.
And there could be any number of events like serious conflict between now and 50+ years so who knows....
For example, if we look at Koppen climates: it is true that much of Australia is arid (desert) or semi-arid (grassland)[2], but the non-arid regions of Australia (temperate, subtropical, tropical, equatorial) amount to an area equivalent to the surface of several European countries put together[3].
[1] https://theaustralianalpsnationalparks.org/
[2] http://www.bom.gov.au/jsp/ncc/climate_averages/climate-class...
[3] Just to give an idea: UK, Italy, Germany and Ireland are here laid over some of the tropical and temperate regions of Australia. https://thetruesize.com/#?borders=1~!MTU5NzgzNzE.MzQ3Mjg3Mw*...