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
HL lenses
HL.a Environmental law
HL.b Environmental economics
HL.c Environmental ethics
View a summary cheatsheet for HL.b Environmental economics
HL.bA Environmental economics and its key concepts
HL.bB Environmental accounting
HL.bC Ecological economics
HL.bD Economic growth
HL.bE Eco-economic decoupling
HL.bF Concepts of ecological economics
