Crossing Borders
Second Edition
Learning Objectives
After reading this chapter, you should be able to:
- Define the field of geography and explain its key units of analysis and measurement.
- Identify the key challenges facing our physical world.
- Explain how population growth is affecting the world.
- Explain how food scarcity is affecting the world.
- Explain how energy shortages are affecting the world.
- Explain the impact human beings are having on the physical world.