"The latest Intergovernmental Panel on Climate Change report projects that, by 2050, global average sea levels will likely rise by 7 to 9 inches, or 18 to 23 centimeters. By 2100, they will likely rise by more than a foot or even more than two feet. The behavior of ice shelves is one of the biggest uncertainties currently complicating these estimates."

https://www.nytimes.com/2023/11/09/climate/greenland-glaciers-ice-melt.html