CourseCourse QuestionQuestionDocumentDocument

IB Environmental Systems and Societies

Topic 1: Foundation

Topic 2: Ecology

Topic 3: Biodiversity and conservation

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

6.3.1—Global action required

6.3.2—Decarbonization

6.3.3—Mitigation strategies

6.3.4—Adaptation strategies

6.3.5—Adaptation plans

6.3.6 (HL)—Response types

6.3.7 (HL)—UN role

6.3.8 (HL)—IPCC emissions scenarios

6.3.9 (HL)—Technology development

6.3.10 (HL)—Climate action barriers

6.3.11 (HL)—Geoengineering

6.3.12 (HL)—Stakeholders and climate perspectives

6.3.13 (HL)—Variation in climate perspectives

6.3.14 (HL)—Climate tragedy of the commons

6.4 Stratospheric ozone

Topic 7: Natural resources

Topic 8: Human populations and urban systems

IB/ESS/HL//Concept/Topic 6: Atmosphere and climate change/6.3 Climate change—mitigation and adaptation/6.3.14 (HL)—Climate tragedy of the commons

Topic 6: Atmosphere and climate change

Syllabus: First assessment 2026
Section: —
Level: HL

Exam analysis

Most tested topics

Introduction to the atmosphere
Climate change—causes and impacts
Climate change—mitigation and adaptation
Stratospheric ozone