Independent: A huge swathe of eastern England, most of Denmark, the entire eastern seaboard of the United States, Bangladesh and a huge chunk of China would be lost beneath the sea if all the worlds ice melted, according to maps produced by National Geographic magazine. The interactive online maps show a radically different planet Earth after land ice in Greenland, the Antarctic and elsewhere all melted. If this happened, it would produce a sea level rise of about 216ft. There are more than five million cubic...