About this title: Human population, its location and concentration, is the fundamental factor in all cultural and economic development, past, present, and future. In this program, Dr. Murphy focuses on how population distribution has changed over ti...
About this title: In the 21st century, more than half of humanity lives in urban areas. We are becoming a world of cities -- many of them global cities. Where are cities located, how are they organized, and what are they like is the topic of this pr...
Were it not for the elemental forces of the Nile River, the great architecture of ancient Egypt and Ethiopia might never have been built. But in today’s water-starved world, the river could lead both countries down a destructive path. This program...