1 expert meeting on the estimation of methane emissions from solid waste disposal sites with the...

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1 Expert meeting on the estimation of methane Expert meeting on the estimation of methane emissions from solid waste disposal sites with the emissions from solid waste disposal sites with the first order decay method first order decay method (EU Climate Change Committee, Working Group on GHG (EU Climate Change Committee, Working Group on GHG inventories) inventories) 8-9 March, 2006 8-9 March, 2006 European Environment Agency European Environment Agency André Jol Group Leader Climate Change and Energy

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Page 1: 1 Expert meeting on the estimation of methane emissions from solid waste disposal sites with the first order decay method (EU Climate Change Committee,

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Expert meeting on the estimation of methane Expert meeting on the estimation of methane emissions from solid waste disposal sites with the first emissions from solid waste disposal sites with the first

order decay methodorder decay method(EU Climate Change Committee, Working Group on GHG (EU Climate Change Committee, Working Group on GHG

inventories)inventories)

8-9 March, 20068-9 March, 2006

European Environment AgencyEuropean Environment Agency

André JolGroup Leader Climate Change and Energy

Page 2: 1 Expert meeting on the estimation of methane emissions from solid waste disposal sites with the first order decay method (EU Climate Change Committee,

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Improvement activities EU Climate Change Improvement activities EU Climate Change Committee Committee

• Series of workshops under the EU Monitoring Mechanism for greenhouse gas emissions and implementation of the Kyoto Protocol

• Objectives: share good practices; compare data, methods, models and parameters across countries; make recommendations for improved reporting

• Key sources of GHG emissions addressed so far: • energy• agriculture• aviation/shipping• land use change and forestry• waste (including landfills)

Page 3: 1 Expert meeting on the estimation of methane emissions from solid waste disposal sites with the first order decay method (EU Climate Change Committee,

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Recommendations May 2005 workshop Recommendations May 2005 workshop

• Recommendations for improving estimation and reporting of emissions from waste (focus on landfills):

• General: improve completeness (all source categories); coordinate reporting nationally (Landfill Directive; Waste Statistics Regulation; EPER)

• Methods/models: first order decay methods are preferred• Changes in management practices should be reflected (e.g.

separate collection of paper for recycling, composting, mechanical biological treatment or biogas from anaerobic digestion)

• Use consistent activity data for different reporting purposes• Estimation parameters to be reported transparent (e.g. k

value/half life)• Compare with EPER data and reduce differences• Discuss improvement of guidance under future PRTR• Enhance measurements to validate models and parameters

Page 4: 1 Expert meeting on the estimation of methane emissions from solid waste disposal sites with the first order decay method (EU Climate Change Committee,

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Background to this expert meetingBackground to this expert meeting

• IPCC 1996 Guidelines and Good Practice Guidance (2000) provide two methods for emission calculation: mass balance (Tier 1) and first order decay (FOD) (Tier 2)

• Tier 1 methods are likely to overestimate base year emissions and underestimate emissions for 2008-2012 (Kyoto commitment period), due to declining amounts of waste landfilled

• IPCC 2006 Guidelines provide a spreadsheet model for a FOD calculation and additional data needed

• Several EU MS do not yet use a first order decay method

Page 5: 1 Expert meeting on the estimation of methane emissions from solid waste disposal sites with the first order decay method (EU Climate Change Committee,

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Main objectives of this workshopMain objectives of this workshop

• To help MS to use the (IPCC) first order decay method to estimate emissions from landfills

• Calculate a first estimate of national emissions for each country (that did not use such a method yet) by using national activity data and parameters

• To share information on the requirements of the Landfill Directive and modelled effects on methane emissions (2020)

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Expected outputExpected output

Improved national GHG inventories for waste sector submitted to the European Commission (and EEA)