IB Environmental Systems and Societies

Topic 1: Foundation

Topic 2: Ecology

Topic 3: Biodiversity and conservation

4.1 Water systems

4.2 Water access, use and security

4.3 Aquatic food production systems

4.4 Water pollution

Topic 6: Atmosphere and climate change

Topic 7: Natural resources

Topic 8: Human populations and urban systems

Concept/IB ESS/SL/Topic 4: Water/4.2 Water access, use and security

4.2 Water access, use and security

Syllabus: First assessment 2026
Topic: 4.2
Level: SL

What you’ll learn

8 learning objectives

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

4.2 Water access, use and security