GHG protocol – Partnership of the World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD) which establishes comprehensive global standardised frameworks to measure and manage greenhouse gas (GHG) emissions from private and public sector operations, value chains and mitigation actions.
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Scope 1 – Direct GHG emissions from sources owned or controlled by the company e.g. furnaces, boilers and company vehicles.
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Scope 2 - Indirect GHG emissions from the generation of purchased electricity.
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Scope 3 – Indirect GHG emissions which are a result of an organisation’s operations, from upstream and downstream sources not owned or controlled by the company.