How It Works
The “How It Works” pages contain information about the data underlying the
360°carbon footprint calculator.
Emissions Factors
The majority of our carbon
emissions factors come from the UK Government – Defra. These factors are published annually and we aim to always add the latest factors within a month of their release (subject to amendments by Defra themselves of the factors).
Proxies
In simple terms,
proxies are a way of relating the amount spent on an activity to the carbon emissions associated with that activity. All of our proxy factors (used for the “Expenditure” category) are derived from data published by Defra.