Topic 8.3 investigates the sources, types, and health impacts of urban air pollution, including particulate matter, ground-level ozone, and photochemical smog. Students evaluate air quality management strategies and analyse case studies of cities addressing pollution challenges.
Key Idea: Know primary vs secondary pollutants, the key health and environmental impacts, and management using tech + policy + behaviour.
In 7–9 markers: compare multiple strategies and evaluate using effectiveness, cost, equity, feasibility and trade-offs (link to EVSs where relevant).
ESS is assessed through Paper 1 (case study) and Paper 2 (short answer & structured questions). Concepts from this topic may appear in either paper, often combined with data analysis or real-world examples.
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Start studying freeTopic 8.3 Urban air pollution forms a core part of Unit 8: Human Population and Urban Systems in IB ESS. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.
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