Changing Population
Global Climate - Vulnerability and Resilience
Global Resource Consumption and Security
Power, Places and Networks
Human Development and Diversity
Global Risks and Resilience
Option A Freshwater - Drainage Basins
Option B Oceans and Coastal Margins
Option C Extreme Environments
Option D Geophysical Hazards
Option E Leisure, Tourism and Sport
Option F The Geography of Food and Health
Option G Urban Environments
All Geography Topics
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What is desertification?
The process by which fertile land becomes desert, typically due to drought, deforestation, or inappropriate agriculture.