If all the ice covering Antarctica , Greenland, and in mountain glaciers around the world were to melt, sea level would rise about 70 meters (230 feet). The ocean would cover all the coastal cities. And land area would shrink significantly. ... Scientists are studying exactly how ice caps disappear.
Put simply, it causes sea levels to rise. If all glacial ice were to melt, it would cause the sea level to rise 230 feet around the world hope this helped!
