>>12200598"We" don't. Survival of the fittest has already kicked in, every man for himself, just that most haven't realized it yet. The climate clock is ticking, you have about 20-30 years to prepare before what'll be pretty much a complete societal collapse, most likely. Food shortages in corona? That's easymode in comparison to what's to come.
So, if anything, engage in lobbying for national sufficiency and local production in a northern country which can withstand temperature increase (and sea level rise). Also in pretty strong borders, most convenient would be naturally forming barriers. A place like Iceland is ideal.