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IB Environmental Systems and Societies

Topic 1: Foundation

1.1 Perspectives

1.3 Sustainability

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/Topic 1: Foundation

Topic 1: Foundation

Syllabus: First assessment 2026
Section: —
Level: HL

Exam analysis

Most tested topics

Perspectives
Systems
Sustainability