When climate change advocates talk about the threat that rising oceans might present to human civilization, it might seem too abstract to grasp the severity of such a threat. This interactive data visualization shows how much of the world population resides near the world coastline. In fact, without explicitly depicting any kind of geopolitical borders, the major continents of the world are shown with remarkable definition. Presently 40% of the global population lives within 100km of the coast. Click here to interact with the fully functional version of this visualization.