CourseCourse QuestionQuestionDocumentDocument

IB Environmental Systems and Societies

Topic 1: Foundation

Topic 2: Ecology

Topic 3: Biodiversity and conservation

3.1 Biodiversity and evolution

3.2 Human impact on biodiversity

3.2.1—Threats to biodiversity

3.2.2—Multiple human impacts

3.2.3—Invasive alien species

3.2.4—IUCN Red List

3.2.5—Conservation status benefits

3.2.6—Species case studies

3.2.7—Tragedy of the commons

3.2.8 (HL)—Biodiversity hotspots

3.2.9 (HL)—Key Biodiversity Areas (KBAs)

3.2.10 (HL)—KBA conflicts

3.2.11 (HL)—Traditional indigenous land management

3.2.12 (HL)—Environmental justice in conservation

3.2.13 (HL)—Biosphere integrity planetary boundary

3.3 Conservation and regeneration

Topic 6: Atmosphere and climate change

Topic 7: Natural resources

Topic 8: Human populations and urban systems

IB/ESS/HL//Concept/Topic 3: Biodiversity and conservation/3.2 Human impact on biodiversity/3.2.11 (HL)—Traditional indigenous land management

Topic 3: Biodiversity and conservation

Syllabus: First assessment 2026
Section: —
Level: HL

Exam analysis

Most tested topics

Biodiversity and evolution
Human impact on biodiversity
Conservation and regeneration