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Greenhouse Gas Inventories - Scope and Purpose


                                            Simon Eggleston
             ...
IPCC
• Established by WMO (World Meteorological
  Organization) and UNEP (United Nations Environment
  Programme) in 1988 ...
UNFCCC Art. 4 Commitments

1. All Parties, taking into account their common but
   differentiated responsibilities and the...
1995 Guidelines for
                                                                        National
                     ...
IPCC Guidelines & UNFCCC

• Annex I Parties “shall” use the Revised 1996
  Guidelines and the Good Practice Guidelines (20...
Emission Inventories

• Enable emissions to be understood:
   – Provide comparable data between countries
   – Give reliab...
Emission Inventory Guidelines

• Inventories should be:
   –   Transparent – sufficient documentation, reporting
   –   Co...
IPCC Guidelines – Scope

• National
     – All anthropogenic emissions and removals from territory
• Annual
     – Net cal...
Basic Method


                                          =                                                X
              ...
Tiers and Key Categories
                              Start
    Key category:
       The largest
                        ...
Summary
• IPCC Emission Inventory Guidance was produced and updated
  at the invitation of the UNFCCC
• IPCC Guidance is a...
Thank you
Guidelines in all UN languages can be downloaded from
            http://www.ipcc-nggip.iges.or.jp
             ...
Greenhouse Gas Inventories -Scope and Purpose
Greenhouse Gas Inventories -Scope and Purpose
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Greenhouse Gas Inventories -Scope and Purpose

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Transcript of "Greenhouse Gas Inventories -Scope and Purpose"

  1. 1. Greenhouse Gas Inventories - Scope and Purpose Simon Eggleston Task Force on National Greenhouse Gas Inventories
  2. 2. IPCC • Established by WMO (World Meteorological Organization) and UNEP (United Nations Environment Programme) in 1988 to; – Make periodic assessments of the science, impacts and the socio-economic aspects of climate change and of adaptation and mitigation options to address it; – Assess, and develop as necessary, methodologies such as the IPCC Guidelines for National Greenhouse Gas Inventories; – Provide, on request, scientific/technical /socio-economic advice to the Conference of the Parties to the United nations Framework Convention on Climate Change (UNFCCC) and its bodies.
  3. 3. UNFCCC Art. 4 Commitments 1. All Parties, taking into account their common but differentiated responsibilities and their specific national and regional development priorities, objectives and circumstances, shall: (a) Develop, periodically update, publish and make available to the Conference of the Parties, in accordance with Article 12, national inventories of anthropogenic emissions by sources and removals by sinks of all greenhouse gases not controlled by the Montreal Protocol, using comparable methodologies to be agreed upon by the Conference of the Parties;
  4. 4. 1995 Guidelines for National Greenhouse Gas History 1995 Inventories Revised 1996 Guidelines for National Greenhouse Gas Inventories • Revised 1996 Guidelines approach – 1996 Land-Use Change and Forestry 1997 Guidance Good Practice Guidance and Uncertainty (LUCF) 1998 used for reporting Management in National Greenhouse Gas – Identifies major likely land use sources to the Inventories, 2000 UNFCCC 1999 • 2000 Good Practice Guidance and Good Practice Uncertainty Management 2000 Guidance for Land-use, Land – Defines GPG 2001 Use Change and Forestry, 2003 • Good Practice Guidance for Land 2002 Use, Land-Use Change and Forestry (GPG LULUCF) 2003 – New approach – all lands and C pools 2004 2005 • 2006 IPCC Guidelines for National Greenhouse Gas Inventories IPCC 2006 Guidelines for 2006 National Greenhouse gas Inventories, 2006 – Combines Agriculture and LULUCF into AFOLU
  5. 5. IPCC Guidelines & UNFCCC • Annex I Parties “shall” use the Revised 1996 Guidelines and the Good Practice Guidelines (2000 and LULUCF) • Non-annex I parties “should” use the Revised 1996 Guidelines and are “encouraged” to use the Good Practice Guidelines (2000 and LULUCF) • The IPCC 2006 Guidelines are currently under consideration by the UNFCCC – However some non-annex I parties use them and some annex I parties use their methods.
  6. 6. Emission Inventories • Enable emissions to be understood: – Provide comparable data between countries – Give reliable time series – Explain link between emissions and activities • Mitigation • Monitor emissions – Progress against targets can be monitored • Should be transparent – Documented so other can understand – Reviews increase credibility and reliability
  7. 7. Emission Inventory Guidelines • Inventories should be: – Transparent – sufficient documentation, reporting – Consistent over time – Comparable between parties – Complete – cover all sources and sinks – Accurate – as practical give available resources • Good Practice assists countries in producing inventories that are accurate in the sense of being neither over nor underestimates so far as can be judged, and in which uncertainties are reduced as far as possible
  8. 8. IPCC Guidelines – Scope • National – All anthropogenic emissions and removals from territory • Annual – Net calendar-year emissions • All gases covered by Kyoto Protocol & AR4 – For Land Use and Land-Use Change: CO2, CH4 and N2O • Can be used for other purposes – BUT need to consider boundaries, tier used, leakage, displacement and other impacts 8
  9. 9. Basic Method = X Emission Activity Emission Estimate Data Factor Emission Estimates Most Sources can Usually ~10-15 Official Statistics Activity Data use default sin usually can be Sources, “Key Guidelines IPCC Guidelines, found in national or Categories”, only “Key international account for over Categories” or statistics. 95% of a countries sources where Guidelines gives emissions, focus more detail is guidance for each resources on these wanted need use sector national data
  10. 10. Tiers and Key Categories Start Key category: The largest Good Practice categories that only asks for cumulatively add up to 95% of the Is Category key? higherYES for tiers total key categories! NO Want more detail? Use higher Tier: Abatement? TIER 2 using National YES parameters Tier 1: NO OR The simplest method with Use default Tier 1 TIER 3 a more detailed default parameters (a few exceptions see nationally specific in the guidleines guidelines) 12 modeling approach
  11. 11. Summary • IPCC Emission Inventory Guidance was produced and updated at the invitation of the UNFCCC • IPCC Guidance is aimed at national, annual estimates • IPCC Guidance is adopted by UNFCCC as it provides estimates that are: – Consistent between parties (annual and time series) – Transparent and understood – Takes account of resources and capacity – Provides common understanding – The best available default globally consistent methods • Methods – take account of limited resources – Inventory development should be incremental from year to year – not a “one off” – part of a on-going process
  12. 12. Thank you Guidelines in all UN languages can be downloaded from http://www.ipcc-nggip.iges.or.jp Task Force on National Greenhouse Gas Inventories
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