Scope 1 carbon emissions
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[edit] Scope in terms of carbon emissions
The Green House Gas Protocol Corporate Standard classifies GHG emissions into three ‘scopes’.
Scope 1 emissions are direct emissions from owned or controlled sources. Scope 2 emissions are indirect emissions from the generation of purchased energy. Scope 3 emissions are all indirect emissions (not included in scope 2) that occur in the value chain of the reporting company, including both upstream and downstream emission
[edit] What are scope 1 site emissions ?
Scope 1 emissions include direct emissions used on-site such as natural gas and fuel, refrigerants, and emissions from combustion in owned or controlled boilers. So these will differ if measuring emissions from a construction site itself, measuring emissions from a building (once complete) or from the companies involved in the project. It does also include emissions from fleets of vehicles (e. g. cars, vans, trucks, lorries etc).
Thus scope 1 emissions would encompass process emissions that are released during industrial processes, if this is on-site manufacturing, id off-site it is more likely to become scope 2 or 3 emissions.
[edit] What are indirect emissions ?
The GHG Protocol defines indirect emissions as “a consequence of the activities from the reporting company but occur at sources owned or controlled by another company.” unlike direct emissions, so these include Scope 2 and Scope 3 emissions. but the protocol makes a clear distinction between the two categories.
[edit] Related articles on Designing Buildings
- Carbon terminology.
- Greenhouse gases.
- ISO 14001:2004 Environmental management system -- Requirements with guidance for use.
- Life cycle assessment.
- PAS 2060.
- PAS 2080 Carbon management in Infrastructure.
- Scope 2 carbon emissions.
- Scope 3 carbon emissions.
- The Carbon Project: improving carbon emission data.
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