Well if my belief that the powers to be will melt the ice. By 2100 -2125 a shit ton of people will die.
Maybe a few billions.
I dont think everyone will die.
Since I date back to a time when the world had under 3 billions I can assure you the world can work with 2 or 3. billions vs 8 billions.
As to what you can do to protect yourself and loved ones I dont know what to say. For me and my wife thats my list of loved ones. I likely will bet that we die of old age before 2055. I would be 98 and she would be 99.
Kind of sucks to think this way but its what I got.
Well if world can work with 3 billion then it can work with even 1 billion or less. Human life started with Adam and Eve (I don't know about other religions but that's what we Muslims believe), everyone came after that.
I have wife, kids, sisters and few more in my list of loved ones and I fear what my kids will find on this planet once they grow up
Those Georgia Guidestone vibes, though.
Seriously...