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IB DP Curriculum · First Assessment 2026

Environmental Systems & Societies

IBDP Environmental Systems & Societies — interactive slide-based lesson materials.

30 of 30 Topics Published

27 SL29 HL100% Complete

Unit 1: Foundations of ESS

Topic 1.1SL

Perspectives

Topic 1.2SL & HL

Systems Thinking

Topic 1.3SL & HL

Sustainability

Unit 2: Ecology

Topic 2.1SL & HL

Ecology & Organization

Topic 2.2SL & HL

Ecosystems & Ecology

Topic 2.3SL & HL

Flows of Energy & Matter

Topic 2.4SL & HL

Climate & Biomes

Topic 2.5SL & HL

Zonation, Succession & Change

Unit 3: Biodiversity & Conservation

Topic 3.1SL & HL

Biodiversity & Evolution

Topic 3.2SL & HL

Human Impact on Biodiversity

Topic 3.3SL & HL

Conservation & Regeneration

Unit 4: Water

Topic 4.1SL & HL

Water Systems

Topic 4.2SL & HL

Water Access, Use & Security

Topic 4.3SL & HL

Aquatic Food Production Systems

Topic 4.4SL & HL

Water Pollution

Unit 5: Land

Topic 5.1SL & HL

Soils

Topic 5.2SL & HL

Agriculture & Food

Unit 6: Atmospheric Systems & Society

Topic 6.1SL & HL

Introduction to the Atmosphere

Topic 6.2SL & HL

Climate Change – Causes & Impacts

Topic 6.3SL & HL

Climate Change – Mitigation & Adaptation

Topic 6.4SL & HL

Stratospheric Ozone

Unit 7: Natural Resources

Topic 7.1SL & HL

Resource Use in Society

Topic 7.2SL & HL

Energy Sources

Topic 7.3SL & HL

Solid Waste

Unit 8: Human Populations & Urban Systems

Topic 8.1SL & HL

Human Population Dynamics

Topic 8.2SL & HL

Urban Systems & Planning

Topic 8.3SL & HL

Urban Air Pollution

HL Lenses

HL.aHL Only

Environmental Law

HL.bHL Only

Environmental Economics

HL.cHL Only

Environmental Ethics