Topic 1: Foundation
Topic 2: Ecology
Topic 3: Conservation and biodiversity
Topic 4: Water
4.1 Water systems
4.2 Water access, use and security
4.3 Aquatic food production systems
4.4 Water pollution
Topic 5: Land
Topic 6: Atmosphere and climate change
Topic 7: Natural resources
Topic 8: Human populations and urban systems
HL lenses
View a summary cheatsheet for 4.2 Water access, use and security
4.2A Water security
4.2B Water supply
4.2C Water scarcity
4.2D Water conservation
4.2E Freshwater resources and use (HL)
4.2F Water footprints and Citizen Science (HL)
4.2G Water stress (HL)
