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IB Environmental Systems and Societies

Topic 1: Foundation

Topic 2: Ecology

Topic 3: Biodiversity and conservation

Topic 6: Atmosphere and climate change

Topic 7: Natural resources

Topic 8: Human populations and urban systems

IB/ESS/HL/Concept

IB Environmental Systems and Societies

Syllabus: First assessment 2026
Course: —
Level: HL

Exam analysis

Most tested syllabus areas

Topic 1: Foundation
Topic 2: Ecology
Topic 3: Biodiversity and conservation
Topic 4: Water
Topic 5: Land
Topic 6: Atmosphere and climate change
Topic 7: Natural resources
Topic 8: Human populations and urban systems

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Question Bank

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