The answers range from "Nothing" to "Hot full-scale war" but it doubtfully includes climate change and stuff.
Except you can argue that Tel Aviv is also bound to be heavily affected by Climate Change and rising seas, whereas with Moscow it's questionable due to all the landmass.
Living in a russian village and growing your own food is a lot more sustainable in case of total collapse, e.g. caused by climate change.
Bullshit, in no time people with guns will arrive to kill you and grab your food. Holodomor is just one example.