Topic 1: Foundation
Topic 2: Ecology
Topic 3: Conservation and biodiversity
Topic 4: Water
Topic 5: Land
Topic 6: Atmosphere and climate change
Topic 7: Natural resources
Topic 8: Human populations and urban systems
8.1 Human populations
8.2 Urban systems and urban planning
8.3 Urban air pollution
HL lenses
View a summary cheatsheet for 8.1 Human populations
8.1A Birth and Immigration as Inputs to Population Growth
8.1B Human population management
8.1C Age-sex pyramids and demographic transition model
8.1D Rapid population growth (HL)
8.1E Dependency ratio and population momentum (HL)
8.1F Environmental migration (HL)
