Cities account for 45 percent of the world's population, more than double the share in 1950.
Well, here's something you don't see every day: all 2.75 billion buildings of the world shown together in a single 3D map.
The U.S. capital is tiny compared to many of the world's largest cities, a new report on urbanization around the globe shows.
When talking about the origin of the ethnic conflict in eastern DR Congo – in the Kivus – many people fail to understand that it is a project born in Brussels. Most people don't realize, as Tom ...