In the 21st century, the Earth's surface is being reshaped and reorganized on a scale unprecedented at any other time in... (more)
In the 21st century, the Earth's surface is being reshaped and reorganized on a scale unprecedented at any other time in the planet's history. It is a change directly caused by humans. In program eight Alec Murphy investigates why geographical concepts and insights are critical to the effort to confront the challenges of our ever-changing planet as its population grows to a staggering 10 billion people in the 21st century. (less)