Have a look at this:
University of Southern California: "Sea level rise could reshape the United States, trigger migration inland: AI shows climate change-driven sea-level rise could trigger mass migration to cities inland." ScienceDaily. ScienceDaily, 22 January 2020. www.sciencedaily.com/releases/2020/01/200122150021.htm.
Even if you see this as kind of exaggerated -- there is no fume without fire. Even if there is only a bit of truth behind all those predictions it means, that we must act and do something to halt or prevent climate change!
Let's plant trees to absorb CO2 ...