Except sea levels did "rise up" as you say, faster than expected actually. This article is about the ice shelf, i.e. the ice over the sea - not the ice over lan

Except sea levels did "rise up" as you say, faster than expected actually. This article is about the ice shelf, i.e. the ice over the sea - not the ice over land. People expected the shelf to break and go to sea, and from there currents would take it to warmer water. Turns out the shelf is able to extend further than was thought possible.