What is a 'carbon footprint'?

The total amount of carbon dioxide and other greenhouse gases that are emitted over the full life cycle of a product, service, or event. 

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How are carbon footprints assessed?

Carbon footprints are usually assessed using life cycle assessments.

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Give 4 factors you would you need to take into account when calculating the carbon footprint of a product such as a car.

  1. How all the raw materials were sourced.
  2. The manufacturing process.
  3. The total amount of fuel and other resources it will use over its lifetime.
  4. How it's disposed of.

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Give 4 general ways we could reduce the carbon footprint of a product.

  1. Create it using fewer, or more sustainable, raw materials 
  2. Use a more efficient manufacturing process (e.g. less energy or less waste).
  3. Use renewable energy resources (e.g. wind, solar, or nuclear).
  4. Recycle it, rather than disposing of it in landfill.

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How might governments help reduce carbon footprints?

  1. Introduce new laws or regulations.
  2. Tax companies based on the quantity of greenhouse gases they emit.
  3. Put caps or limits on how many greenhouse gases companies can emit. 

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What is carbon capture technology?

Carbon capture technology allows us to trap carbon from atmospheric carbon dioxide, and store it deep underground.

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What is the downside of carbon capture technology?

It is very expensive.

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