GHG Emissions Taxonomy
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Definition
A GHG Emissions Taxonomy is any well organized, comprehensive Taxonomy of GHG Emissions sources.
GHG Corporate Accounting Standard
The GHG Protocol corporate accounting identifies the following high level categories[1]:
- Stationary Combustion: combustion of fuels in stationary equipment such as boilers, furnaces, burners, turbines, heaters, incinerators, engines, flares, etc.
- Mobile Combustion: combustion of fuels in transportation devices such as automobiles, trucks, buses, trains, airplanes, boats, ships, barges, vessels, etc.
- (Industrial) Process Emissions: emissions from physical or chemical processes such as CO2 from the calcination step in cement manufacturing, CO2 from catalytic cracking in petrochemical processing, PFC emissions from aluminum smelting, etc.
- Fugitive Emissions: intentional and unintentional releases such as equipment leaks from joints, seals, packing, gaskets, as well as fugitive emissions from coal piles, wastewater treatment, pits, cooling towers, gas processing facilities, etc.
=== GHG Project Accounting Standard Under the GHG Project Protocol, there are five general GHG source categories[2] :
- Combustion Emissions from generating grid-connected electricity;
- Combustion Emissions from generating energy or off-grid electricity, or from flaring;
- Industrial Process Emissions - e.g., carbon dioxide (CO2) from the production of clinker for cement;
- Fugitive Emissions - e.g., GHG leaks from pipelines; and
- Waste Emissions - e.g., GHG emissions from landfills.
