Air Emission Accounts – OECD Estimates
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The OECD methodology takes the emission data from the national greenhouse gas inventories submitted under the United Nations Framework Convention on Climate Change (UNFCCC) as a starting point. The emission data in the inventories are allocated to ISIC rev. 4 industries and households using the correspondence table proposed by Eurostat.

When the correspondence table requires the allocation of an inventory item to more than one industry, the OECD opted for using an allocation method based on output data since output closely correlates with emissions. Specifically, the allocation from one inventory to more-than-one industry is made according to the output share of each industry relative to the total output of those industries involved in the split.

Data refer to total emissions of carbon dioxide (CO2 emissions from energy use and industrial processes), methane (CH4 emissions from solid waste, livestock, mining of hard coal and lignite, rice paddies, agriculture and leaks from natural gas pipelines) and nitrous oxide (N2O emissions) for greenhouse gas (GHG) emissions.

More detailed information available in the working paper "Towards global SEEA Air Emission Accounts".

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DATABASE STRUCTURE

Unit Dimension: 1000 tonnes of CO2 equivalent

Country Dimension
The following countries are included in the database:
Japan (JPN) - United States (USA) -  Kazakhstan (KAZ) -  Russia (RUS) - Ukraine (UKR)

Pollutant Dimension
Carbon dioxide emissions (CO2) - Methane emissions (CH4) - Nitrous oxide emissions (N2O)

Year Dimension
From 2007 onwards

Emissions Dimension
Total: total emissions - Combustion: emissions from fuel combustion only.

Activity Dimension
This dimension allows breaking down air emissions across industries and households' activities.
1) Industries
Industries are broken down using the ISIC rev. 4 classification (
http://unstats.un.org/unsd/cr/registry/isic-4.asp).   

Code Activity

Name Activity

A

Agriculture, forestry and fishing

B

Mining and quarrying

C

Manufacturing

C10-C12

Manufacture of food products, beverages and tobacco products

C16-C18

Manufacture of wood, paper, printing and reproduction

C19

Manufacture of coke and refined petroleum products

C20-C21

Manufacture of chemicals, basic pharmaceutical and preparations

C22-C23

Manufacture of rubber and plastic products and other non-metallic mineral products

C24-C25

Manufacture of basic metals and fabricated metal products, except machinery and equipment

C-NS

C - Non specified

D

Electricity, gas, steam and air conditioning supply

E

Water supply; sewerage, waste management and remediation activities

F

Construction

H

Transportation and storage

SERVICES

Other services: G, I - U


2) Households
Households' activities are broken down using the COICOP classification (http://unstats.un.org/unsd/cr/registry/regcst.asp?Cl=5)

Code Activity

Name Activity

HH-Total

Households

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Japan: "Electricity, gas, steam and air conditioning supply" (D)  includes "Electricity, gas, steam and air conditioning supply (D), and Water supply; sewerage, waste management and remediation activities (E)".
Air Emission Accounts – OECD EstimatesContact person/organisation
stat.contact@oecd.org
Direct source

The OECD methodology takes the emission data from the national greenhouse gas inventories submitted under the United Nations Framework Convention on Climate Change (UNFCCC) as a starting point. The emission data in the inventories are allocated to ISIC rev. 4 industries and households using the correspondence table proposed by Eurostat.

When the correspondence table requires the allocation of an inventory item to more than one industry, the OECD opted for using an allocation method based on output data since output closely correlates with emissions. Specifically, the allocation from one inventory to more-than-one industry is made according to the output share of each industry relative to the total output of those industries involved in the split.

Data refer to total emissions of carbon dioxide (CO2 emissions from energy use and industrial processes), methane (CH4 emissions from solid waste, livestock, mining of hard coal and lignite, rice paddies, agriculture and leaks from natural gas pipelines) and nitrous oxide (N2O emissions) for greenhouse gas (GHG) emissions.

More detailed information available in the working paper "Towards global SEEA Air Emission Accounts".

Statistical population

DATABASE STRUCTURE

Unit Dimension: 1000 tonnes of CO2 equivalent

Country Dimension
The following countries are included in the database:
Japan (JPN) - United States (USA) -  Kazakhstan (KAZ) -  Russia (RUS) - Ukraine (UKR)

Pollutant Dimension
Carbon dioxide emissions (CO2) - Methane emissions (CH4) - Nitrous oxide emissions (N2O)

Year Dimension
From 2007 onwards

Emissions Dimension
Total: total emissions - Combustion: emissions from fuel combustion only.

Activity Dimension
This dimension allows breaking down air emissions across industries and households' activities.
1) Industries
Industries are broken down using the ISIC rev. 4 classification (http://unstats.un.org/unsd/cr/registry/isic-4.asp).   

Code Activity

Name Activity

A

Agriculture, forestry and fishing

B

Mining and quarrying

C

Manufacturing

C10-C12

Manufacture of food products, beverages and tobacco products

C16-C18

Manufacture of wood, paper, printing and reproduction

C19

Manufacture of coke and refined petroleum products

C20-C21

Manufacture of chemicals, basic pharmaceutical and preparations

C22-C23

Manufacture of rubber and plastic products and other non-metallic mineral products

C24-C25

Manufacture of basic metals and fabricated metal products, except machinery and equipment

C-NS

C - Non specified

D

Electricity, gas, steam and air conditioning supply

E

Water supply; sewerage, waste management and remediation activities

F

Construction

H

Transportation and storage

SERVICES

Other services: G, I - U


2) Households
Households' activities are broken down using the COICOP classification (http://unstats.un.org/unsd/cr/registry/regcst.asp?Cl=5)

Code Activity

Name Activity

HH-Total

Households

Key statistical concept
Note that official air emission accounts are included in the OECD database on air emission accounts (http://stats.oecd.org/Index.aspx?DataSetCode=AEA), thus allowing to assess the accuracy of the OECD estimation methodology.
Other comments
Japan: &quot;Electricity, gas, steam and air conditioning supply&quot; (D) &nbsp;includes &quot;Electricity, gas, steam and air conditioning supply (D), and Water supply; sewerage, waste management and remediation activities (E)&quot;.