Denmark's National Inventory Report 2005 - Submitted under the ...

Executive summary
ES.1. Background information on greenhouse gas inventories and climate
change
Annual report
This report is Denmark’s National Inventory Report (NIR) due by 15 April 2005 to the United Nations
Framework Convention on Climate Change (UNFCCC). The report contains information on
Denmark’s inventories for all years from 1990 to 2003. The structure of the report is in accordance
with the UNFCCC Guidelines on reporting and review and the report includes detailed information
on the inventories for all years from the base year to the year of the current annual inventory
submission, in order to ensure the transparency of the inventory.
The annual emission inventory for Denmark from 1990 to 2003 is reported in the Common Reporting
Format (CRF). The CRF-spreadsheets contain data on emissions, activity data and implied
emission factors for each year. Emission trends are given for each greenhouse gas and for the total
greenhouse gas emissions in CO 2 - equivalents.
The issues addressed in this report are: Trends in greenhouse gas emissions, description of each
IPCC category, uncertainty estimates, explanations on recalculations, planned improvements and
procedure for quality assurance and control.
The NIR and the CRF tables are available to the public on the National Environmental Research
Institute’s homepage:
http://www.dmu.dk/1_Viden/2_Miljoe-tilstand/3_luft/4_adaei/default_en.asp
Responsible institute
The National Environmental Research Institute (NERI) under the Danish Ministry of Environment
is responsible for the annual preparation and submission to the UNFCCC (and the EU) of the National
Inventory Report and the GHG inventories in the Common Reporting Format in accordance
with the UNFCCC Guidelines. NERI is also the designated entity with the overall resposibility for
the national inventory under the Kyoto Protocol. The work concerning the annual greenhouse
emission inventory is carried out in co-operation with other Danish ministries, research institutes,
organisations and companies.
Greenhouse gases
The greenhouse gases reported under the Climate Convention are:
• Carbon dioxide (CO 2 )
• Methane (CH 4 )
• Nitrous Oxide (N 2 O)
• Hydrofluorocarbons (HFCs)
• Perfluorocarbons (PFCs)
• Sulphur hexafluoride (SF 6 )
The global warming potential values of various gases have been defined as the warming effect of a
given weight of a specific substance relative to CO 2 . The purpose of this is to be able to compare
and integrate the effects of individual substances on the global climate. The typical lifetimes are
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