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      Climate change and food production

      Lesson details

      Learning outcome

      I can explain how food production is affected by and contributes to climate change, and how changes in diet can help to limit climate change.

      Key learning points

      1. Food production is at risk due to global warming and climate change
      2. Climate change makes extreme weather events more common, and this makes it more challenging to produce food
      3. Emissions of greenhouse gases from various stages of food production add to the carbon footprint of foods
      4. Changes in our diet can help us reduce emissions from food production and limit climate change
      5. Comparing emissions data for different diets helps us understand the impact of food choices

      Keywords

      • Global warming - an increase in Earth’s average surface temperature

      • Greenhouse gases - gases in the atmosphere that keep it warmer than it would be without them

      • Emissions - releases of greenhouse gases into the atmosphere

      • Climate change - a long-term shift in weather patterns

      • Carbon footprint - the calculated total amount of greenhouse gases emitted by an activity

      Common misconception

      Thinking that what we eat has no impact on climate change, or that all foods have roughly the same impact.

      This lesson explores in detail the impacts of different foods and dietary choices in terms of their carbon footprint of greenhouse gas emissions.

      Teacher tip

      Pupils may not feel they have much agency in being able to change their diets to help limit climate change. This issue is addressed in Task B through the idea of communicating with parents as an example of positive action.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      What is climate change?

      A daily shift in weather patterns.
      Correct answer: A long-term shift in weather patterns.
      A short-term shift in weather patterns.

      Q2.
      Greenhouse gases are gases in the atmosphere that keep Earth than it would be without them.

      Correct Answer: warmer, hotter

      Q3.
      Global warming is …

      … an increase in Earth’s core temperature.
      Correct answer: … an increase in Earth’s average surface temperature.
      … an increase in Earth’s surface temperature everywhere.

      Q4.
      Most scientists agree that recent rapid climate change and global warming are being caused by …

      Correct answer: … human emissions of greenhouse gases.
      … emissions of greenhouse gases from the Earth itself.
      … Earth’s natural greenhouse effect.
      … the Sun.

      Q5.
      Different stages of producing food cause different amounts of emissions of greenhouse gases. The total amount of emissions for each food is called its carbon .

      Correct Answer: footprint, foot print

      Q6.
      Put the stages of producing beef into order starting with the largest to the smallest amount of emissions.

      An image in a quiz
      1 - Farming
      2 - Land use change
      3 - Retail
      4 - Animal feed
      5 - Processing
      6 - Transport
      7 - Packaging

      6 Questions

      Q1.
      True or false? Rearing cows for food does not cause any emissions of greenhouse gases.

      True
      Correct answer: False

      Q2.
      According to the bar chart, which food has the greatest carbon footprint?

      An image in a quiz
      Correct Answer: chocolate

      Q3.
      According to the bar chart, which animal product has the largest carbon footprint?

      An image in a quiz
      Correct Answer: pig meat

      Q4.
      According to the bar chart, which of these animal based foods generates the lowest amount of emissions?

      An image in a quiz
      Pig meat
      Poultry meat
      Eggs
      Correct answer: Cow's milk

      Q5.
      Which meal is likely to have the lowest carbon footprint of emissions and therefore be the best choice to help limit climate change?

      Bacon and eggs
      Fish and vegetables
      Correct answer: Salad

      Q6.
      True or false? We can conclude that chocolate has the largest carbon footprint.

      An image in a quiz
      true
      Correct answer: false
      it has the longest bar so has the largest carbon footprint
      Correct answer: not all food types are shown on the bar chart

      To help you plan your 9 science lesson on: Climate change and food production, download all teaching resources for free and adapt to suit your pupils' needs...