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Learning objective

Students should be able to describe and explain the factors contributing to atmospheric pollution, including: smog caused by volatile organic compounds from industrial activities and vehicle emissions, the effects of temperature inversion; acid rain resulting from sulfur dioxide and nitrogen oxides; depletion of the ozone layer due to chlorofluorocarbons (CFCs); and the enhanced greenhouse effect driven by greenhouse gases such as carbon dioxide, water vapor, and methane.

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  • Practise with linked questions.
Cambridge IGCSE Environmental ManagementThe atmosphere and human activities

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Quick explanation

Students should be able to describe and explain the factors contributing to atmospheric pollution, including: smog caused by volatile organic compounds from industrial activities and vehicle emissions, the effects of temperature inversion; acid rain resulting from sulfur dioxide and nitrogen oxides; depletion of the ozone layer due to chlorofluorocarbons (CFCs); and the enhanced greenhouse effect driven by greenhouse gases such as carbon dioxide, water vapor, and methane

  • This point belongs to Atmospheric pollution and its causes, especially Atmospheric pollution and its causes outcomes.
  • You need to be able to students should be able to describe and explain the factors contributing to atmospheric pollution, including: smog caused by volatile organic compounds from industrial activities and vehicle emissions, the effects of temperature inversion; acid rain resulting from sulfur dioxide and nitrogen oxides; depletion of the ozone layer due to chlorofluorocarbons (CFCs); and the enhanced greenhouse effect driven by greenhouse gases such as carbon dioxide, water vapor, and methane.
  • The key ideas to know are Describe, Explain, and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainIdentifyDiscuss

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Paper 1 structured question: Atmospheric pollution and its causes

Paper 1Theory2 marks

Description

Smog and Temperature Inversion

Smog is a type of air pollution formed when volatile organic compounds (VOCs) from industrial activities and vehicle emissions react with sunlight. Temperature inversion occurs when a layer of warm air traps cooler air near the ground, preventing pollutants from dispersing.

  1. a

    Describe how temperature inversion affects smog levels in a city.

    Aim for approximately 2 distinct marking points.

    [2]
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