National Geographics good, but disturbing, interactive map shows what 216 feet of sea level rise will do to coastlines around the world. The maps here show the world as it is now, with only one difference: All the ice on land has melted and drained into the sea, raising it 216 feet and creating new shorelines for our continents and inland seas.There are more than five million cubic miles of ice on Earth, and some scientists say it would … [Read more...]