I'm in pursuit of glaciers. glaciers are melting all over the world Melting glaciers add to rising sea levels, which in turn increases coastal erosion and elevates storm surge as warming air and ocean temperatures create more frequent and intense coastal storms like hurricanes and typhoons. ... Alarmingly, if all the ice on Greenland melted, it would raise global sea levels by 20 feet. Melting glaciers add to rising sea levels, which in turn increases coastal erosion and elevates storm surge as warming air and ocean temperatures create more frequent and intense coastal storms like hurricanes and typhoons. ... Alarmingly, if all the ice on Greenland melted, it would raise global sea levels by 20 feet.