Topic 1: Foundation

1.1 Perspectives

1.2 Systems

1.3 Sustainability

Topic 2: Ecology

2.1 Individuals, populations, communities, and ecosystems

2.2 Energy and biomass in ecosystems

2.3 Biogeochemical cycles

2.4 Climate and biomes

2.5 Zonation, succession and change

Topic 3: Biodiversity and conservation

3.1 Biodiversity and evolution

3.2 Human impact on biodiversity

3.3 Conservation and regeneration

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

5.1 Soil

5.2 Agriculture and food

Topic 6: Atmosphere and climate change

6.1 Introduction to the atmosphere

6.2 Climate change—causes and impacts

6.3 Climate change—mitigation and adaptation

6.4 Stratospheric ozone

Topic 7: Natural resources

7.1 Natural resources—uses and management

7.2 Energy sources—uses and management

7.3 Solid waste

Topic 8: Human populations and urban systems

8.1 Human populations

8.2 Urban systems and urban planning

8.3 Urban air pollution

HL.a Environmental law

HL.b Environmental economics

HL.c Environmental ethics

Course roadmap

IB ESS SL

NewJourney progress

NewJourney progress

Course roadmap

Topic 1: Foundation

49 stepsNew

Topic 2: Ecology

71 stepsNew

Topic 3: Biodiversity and conservation

25 stepsNew

Topic 4: Water

32 stepsNew

Topic 5: Land

26 stepsNew

Topic 6: Atmosphere and climate change

27 stepsNew

Topic 7: Natural resources

26 stepsNew

Topic 8: Human populations and urban systems

28 stepsNew

Wrong questions

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Course roadmapIB ESS SL