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

6.4 Stratospheric ozone

Topic 7: Natural resources

Topic 8: Human populations and urban systems

Concept/IB ESS/SL/Topic 6: Atmosphere and climate change/6.1 Introduction to the atmosphere

6.1 Introduction to the atmosphere

Syllabus: First assessment 2026
Topic: 6.1
Level: SL

What you’ll learn

4 learning objectives

Choose one objective for a focused lesson, or study the complete topic.

6.1 Introduction to the atmosphere