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Learning objective

Identify and explain methods to mitigate environmental issues, including: (a) for climate change: planting trees, reducing livestock farming, decreasing fossil fuel use, and increasing hydrogen and renewable energy sources like wind and solar, (b) for acid rain: using catalytic converters in vehicles, lowering sulfur dioxide emissions by using low-sulfur fuels, and flue gas desulfurization with calcium oxide.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE ChemistryChemistry of the environmentCore content

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Quick explanation

Identify and explain methods to mitigate environmental issues, including: (a) for climate change: planting trees, reducing livestock farming, decreasing fossil fuel use, and increasing hydrogen and renewable energy sources like wind and solar, (b) for acid rain: using catalytic converters in vehicles, lowering sulfur dioxide emissions by using low-sulfur fuels, and flue gas desulfurization with calcium oxide

  • This point belongs to Air quality and climate, especially Air quality and climate outcomes.
  • You need to be able to identify and explain methods to mitigate environmental issues, including: (a) for climate change: planting trees, reducing livestock farming, decreasing fossil fuel use, and increasing hydrogen and renewable energy sources like wind and solar, (b) for acid rain: using catalytic converters in vehicles, lowering sulfur dioxide emissions by using low-sulfur fuels, and flue gas desulfurization with calcium oxide.
  • The key ideas to know are State and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

StateExplain

Why it matters

This objective helps connect Air quality and climate outcomes to exam-style questions, flashcards, and revision notes for Air quality and climate.

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Practice Questions7 linked questions

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Paper 3 structured question: Air quality and climate

Paper 3Theory (Core)1 marks

Description

Mitigation Strategies

Various strategies can be employed to mitigate environmental issues such as climate change and acid rain.

  1. a

    State one method to mitigate climate change.

    Aim for approximately 1 distinct marking point.

    [1]
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