The NOAA Report says the sea level may rise up to a foot or more by 2050. This will cause serious flooding in many areas. Populations will have to relocate to higher ground.
<< …NASA administrator Bill Nelson, who says, “Sea levels are continuing to rise at an alarming rate, endangering communities around the world. Science is indisputable and urgent action is required to mitigate a climate crisis that is well under way.” >>
https://cleantechnica.com/2022/02/16/noaa-sea-level-rise-report-now-its-personal/