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NotesESSUnit 6
IB ESS · Unit 6 of 8

Unit 6: Atmosphere and Climate Change

Unit 6 of IB Environmental Systems and Societies covers Atmosphere and Climate Change. This unit contains 4 topics and 13 sub-topics. Below you'll find free study notes, flashcards, and exam preparation resources for every topic in this unit.

4 topics13 sub-topics
ESS FlashcardsExam technique guide

What Unit 6 covers

Unit 6 covers atmospheric science and climate change, including the greenhouse effect, ozone depletion, acid deposition, and mitigation strategies. Students learn to interpret atmospheric data, evaluate international agreements, and connect atmospheric systems to broader environmental and societal consequences.

Topics in Unit 6

6.1

Introduction to the atmosphere

3 sub-topics

6.2

Climate change—causes and impacts

4 sub-topics

6.3

Climate change—mitigation and adaptation

3 sub-topics

6.4

Stratospheric ozone

3 sub-topics

Study tip: Work through the topics in order — each builds on concepts from the one before. Start with notes, then reinforce with flashcards and practice questions.

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Unit 5Unit 7