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This lesson covers carbon footprints and strategies for reducing greenhouse gas emissions as required by the Edexcel GCSE Combined Science specification (1SC0). You need to understand what a carbon footprint is, how it can be measured, and the different ways it can be reduced.
A carbon footprint is the total amount of carbon dioxide and other greenhouse gases released over the full life cycle of a product, service or event. It is usually measured in units of carbon dioxide equivalent (CO₂e).
The carbon footprint includes greenhouse gases released at every stage:
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