Glossary of useful terms 

Commonly used terms on this website are shown below in this glossary section.

The NFR/CRF codes used on this website are shown below.

CRF Code Source Description
1 Energy
1.A Fuel Combustion Activities
1.A.1 Energy Industries
1.A.1.a.i Public Electricity and Heat Production
1.A.1.a.iii Heat Plants
1.A.1.b. Petroleum Refining
1.A.1.c.i Chemicals
1.A.1.c.ii Oil and Gas Extraction
1.A.1.c.iii Other Energy industries
1.A.2 Manufacturing Industries and Construction
1.A.2.a Iron and Steel
1.A.2.b Non-ferrous metals
1.A.2.c Chemicals
1.A.2.d Pulp, Paper and Print
1.A.2.e Food Processing, Beverages and Tobacco
1.A.2.f Non-metallic minerals
1.A.2.g.vii Mobile combustion in manufacturing industries and construction
1.A.2.g.viii Stationary combustion in manufacturing and construction: other
1.A.3 Transport
1.A.3.a Domestic Aviation
1.A.3.a.i International Aviation
1.A.3.a.ii Civil Aviation
1.A.3.b.i Road Transportation: cars
1.A.3.b.ii Road Transportation: Light Duty trucks
1.A.3.b.iii Road Transportation: Heavy Duty trucks and buses
1.A.3.b.iv Road Transportation: Motorcycles
1.A.3.b.v Road Transportation: Other
1.A.3.c Railways
1.A.3.d Domestic Navigation
1.A.3.e Other Transportation
1.A.3.e.ii Other
1.A.4 Other Sectors
1.A.4.a Commercial / Institutional Combustion
1.A.4.a.ii Commercial/Institutional Mobile
1.A.4.b.i Residential stationary combustion
1.A.4.b.ii Household and gardening mobile combustion
1.A.4.c.i Agriculture/Forestry/Fishing stationary combustion
1.A.4.c.ii Off-road vehicles and other machinery from agriculture/forestry/fishing
1.A.4.c.iii Fishing
1.A.5 Other (not elsewhere specified)
1.A.5.a Other, stationary (including military)
1.A.5.b Other, mobile (including military)
1.B Fugitive Emissions from Fuels
1.B.1 Fugitive Emissions from Solid Fuels
1.B.1.a Coal Mining and Handling
1.B.1.a.1 Underground mines
1.B.1.a.1.i Mining activities
1.B.1.a.1.ii Post-mining activities
1.B.1.a.1.iii Abandoned underground mines
1.B.1.a.2 Surface Mines
1.B.1.a.2.i Mining activities
1.B.1.b Solid fuel transformation
1.B.2 Fugitive Emissions from Oil and Natural Gas
1.B.2.a Oil
1.B.2.a.1 Exploration
1.B.2.a.2 Production
1.B.2.a.3 Transport
1.B.2.a.4 Refining / Storage
1.B.2.a.5 Distribution
1.B.2.a.6 Oil Production
1.B.2.b Natural Gas
1.B.2.b.1 Exploration
1.B.2.b.2 Production
1.B.2.b.3 Processing
1.B.2.b.4 Transmission and storage
1.B.2.b.5 Distribution
1.B.2.c Venting and Flaring
1.B.2.c.1 Venting
1.B.2.c.1.i Oil
1.B.2.c.1.ii Gas
1.B.2.c.2 Flaring
1.B.2.c.2.i Oil
1.B.2.c.2.ii Gas
1.B.2.d Other energy industries
2 Industrial Processes and Product Use
2.A Mineral Products
2.A.1 Cement Production
2.A.2 Lime Production
2.A.3 Glass Production
2.A.4.a Other Process uses of Carbonates: Ceramics
2.A.4.b Other Process uses of Carbonates: Soda Ash
2.A.4.d Other Process uses of Carbonates: Other
2.B Chemical Industry
2.B.1 Ammonia Production
2.B.2 Nitric Acid Production
2.B.3 Adipic Acid Production
2.B.6 Titanium Dioxide Production
2.B.7 Soda Ash Production
2.B.8 Petrochemical and Carbon Black Production
2.B.8.a Methanol
2.B.8.b Ethylene
2.B.8.c Ethylene Dichloride and Vinyl Chloride Monomer
2.B.8.d Ethylene Oxide
2.B.8.e Acrylonitrile
2.B.8.f Carbon Black
2.B.8.g Other
2.B.9 Fluorochemical Production
2.B.9.a.1 Production of HCFC-22
2.B.9.a.3 Other flurochemical production
2.B.10 Other
2.C Metal Production
2.C.1 Iron and Steel production
2.C.1.a Steel
2.C.1.b Pig iron
2.C.1.d Sinter
2.C.2.a Steel
2.C.2.b Pig Iron
2.C.2.d Sinter
2.C.2 Aluminium production
2.C.3.a Aluminium Production: CO2 emissions
2.C.3.b Aluminium Production: PFC emissions
2.C.4 Magnesium production
2.C.5 Lead production
2.C.6 Zinc production
2.C.7 Other metal production
2.D Non-energy Products from Fuels and Solvent Use
2.D.1 Lubricant use
2.D.2 Paraffin Wax use
2.D.3 Other
2.E Electronics Industry
2.E.1 Integrated Circuit or Semiconductor
2.F Product Uses as Substitutes for ODS
2.F.1 Refrigeration and Air Conditioning Equipment
2.F.1.a Commercial Refrigeration
2.F.1.b Domestic Refrigeration
2.F.1.c Industrial Refrigeration
2.F.1.d Transport Refrigeration
2.F.1.e Mobile Air-Conditioning
2.F.1.f Stationary Air-Conditioning
2.F.2 Foam Blowing Agents
2.F.2.a Closed Cells
2.F.2.b Open Cells
2.F.3 Fire Extinguishers
2.F.4 Aerosols
2.F.4.a Metered Dose Inhalers
2.F.4.b Other
2.F.5 Solvents
2.F.6 Other Applications
2.F.6.b Contained
2.G Other Product Manufacture and Use
2.G.1 Electrical Equipment
2.G.2 SF6 and PFCs from Other Product Use
2.G.2.a Military Applications
2.G.2.b Accelerators
2.G.2.e Other
2.G.3 N2O from Product Uses
2.G.3.a Medical Applications
2.G.3.b N2O from product uses
2.G.4 Other
2.H Other
2.H.1 Pulp and Paper
2.H.2 Food and beverages industry
3 Agriculture
3.A Enteric Fermentation
3.A.1 Cattle
3.A.1.a Dairy Cattle
3.A.1.b Non-Dairy Cattle
3.A.2 Sheep
3.A.3 Swine
3.A.4 Other livestock
3.B Manure Management
3.B.1 CH4 emissions
3.B.1.1 Cattle
3.B.1.1.a Dairy Cattle
3.B.1.1.b Non-Dairy Cattle
3.B.1.2 Sheep
3.B.1.3 Swine
3.B.1.4 Other livestock
3.B.2 N2O and NMVOC emissions
3.B.2.1 Cattle
3.B.2.1.a Dairy Cattle
3.B.2.1.b Non-Dairy Cattle
3.B.2.2 Sheep
3.B.2.3 Swine
3.B.2.4 Other livestock
3.B.2.5 Indirect N2O Emissions
3.D Agricultural Soils
3.D.1 Direct N2O emissions from managed soils
3.D.1.1 Inorganic N Fertilizers
3.D.1.2 Organic N Fertilizers
3.D.1.2.a Manure
3.D.1.2.b Sewage Sludge
3.D.1.2.c Other Organic Fertilisers
3.D.1.3 Urine and Dung Deposited by Grazing Animals
3.D.1.4 Crop Residues
3.D.1.5 Mineralization/Immobilization
3.D.1.6 Cultivation of Organic Soils
3.D.2 Indirect N2O emissions from managed soils
3.D.2.1 Atmospheric Deposition
3.D.2.2 Nitrogen Leaching and Run-off
3.F Field Burning of Agricultural Residues
3.F.1.1 Wheat
3.F.1.2 Barley
3.F.1.4 Other cereals
3.F.5 Other residues
3.G Liming
3.G.1 Limestone
3.G.2 Dolomite
3.H Urea Application
3.J Overseas Territories and Crown Dependency Emissions
4 Land use, land use change and forestry
4.A Forest Land
4.A.1 Forest Land remaining Forest Land
4.A.2 Land converted to Forest Land
4.B Cropland
4.B.1 Cropland remaining Cropland
4.B.2 Land converted to Cropland
4.C Grassland
4.C.1 Grassland remaining Grassland
4.C.2 Land converted to Grassland
4.D Wetlands
4.D.1 Wetlands remaining Wetlands
4.D.2 Land converted to Wetlands
4.E Settlements
4.E.1 Settlements remaining settlements
4.E.2 Land converted to Settlements
4.F Other Land
4.F.1 Other Land remaining Other Land
4.F.2 Land converted to Other Land
4.G Harvested Wood Products
5 Waste
5.A Solid Disposable Waste
5.A.1.a Solid Waste Disposal to land
5.B Biological Treatment of Solid Waste
5.B.1.a Municipal Solid Waste: composting
5.B.2.a Municipal Solid Waste: Anaerobic digestion at biogas facilities
5.C Incineration and Open Burning of Waste
5.C.1.1.b Incineration: Sewage Sludge
5.C.1.2.a Incineration: Municipal Solid Waste
5.C.1.2.b Incineration: Clinical waste
5.C.2.1.b Open Burning: other biogenic waste
5.C.2.2.b Open Burning: accidental building and vehicle fires
5.D Wastewater Treatment and Discharge
5.D.1 Domestic
5.D.2 Industrial
6 Other
Aviation Bunkers Aviation Bunkers
Marine Bunkers Marine Bunkers
non-IPCC non-IPCC
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