A carbon footprint is a measurement of greenhouse gases (GHG) usually quoted in kilograms or tonnes of carbon dioxide equivalent - kg CO2e or tCO2e. GHGs and include carbon dioxide, methane, nitrous oxide and a variety of F-Gases.
Carbon footprints can be carried out for:
- an organisation
- a product/service
- a country a sector
- or a household or an individual person.

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