Therefore, emissions estimates presented in this publication are on this basis and do not include emissions from UK Crown Dependencies and Overseas Territories ( CDOTs).ħ. In accordance with section 89 of the CCA 2008, emissions from the UK territory (including UK coastal waters and UK sector of the continental shelf) are in scope of UK Carbon Budgets and Net Zero. Emissions estimates are reported on this basis in this publication.Ħ. In November 2021, it was agreed by the international community at COP26 (2021 United Nations Climate Change Conference) that greenhouse gas emissions shall be reported under the Paris Agreement transparency framework using 100-year GWPs from table 8.A.1 of the IPCC Fifth Assessment Report (without climate-carbon feedback). GWP values are set out in Intergovernmental Panel on Climate Change ( IPCC) assessment reports. Emissions from each greenhouse gas are weighted by its Global Warming Potential ( GWP) so that total emissions can be reported on a consistent basis in terms of carbon dioxide equivalent ( CO2e). Our policies and proposals have been prepared on the basis that the UK will meet carbon budgets 4 to 6 through domestic reductions and do not have implications for the crediting of carbon units to the net UK carbon account.ĥ. This could occur through linking the UK ETS to another emissions trading system, or through the use of international emissions reductions or removals units. While the UK intends to meet each of carbon budgets 4 to 6 through reducing emissions domestically, it reserves the right to use such voluntary cooperation under Article 6 of the Paris Agreement. Carbon units can include allowances issued under cap-and-trade systems, and international carbon credits issued under international schemes. The net carbon account (on which carbon budget performance is assessed) can also include the UK’s net purchases/sales of international carbon units, if any. Although emissions in both 20 were impacted by lockdown measures in response to the coronavirus pandemic, (particularly road transport) the long-term trend for UK emissions has been downward.Ĥ. Net UK territorial emissions reduced 48% between 19.
These are included as our reference year for this publication. The latest UK GHG Inventory includes emissions estimates up to 2021. Estimates of UK GHG emissions (back to 1990) are revised annually to incorporate methodological improvements, updated data, and changes to international guidelines. Emissions analysis Accounting framework UK Greenhouse Gas Inventory figuresģ. Finally part 4, ‘ Progress Against Net Zero Strategy Reporting Commitments’, sets out what we committed to report against in the Net Zero Strategy and updates on performance against these commitments. Part 3 covers ‘ Wider Analysis’, including detail of the methodology used for analysis using data on job adverts. Part 2, ‘ Sector Modelling’, sets out further detail on the approach to emissions modelling adopted for each sector and how the policies and proposal have been quantified.
This includes a discussion of the baseline from which policy emission savings are calculated and wider uncertainty in modelling. Part 1, ‘ Emissions Analysis’, details the approach to accounting for greenhouse gas emissions. This annex provides an overview of the methodological approach taken to analysis in the Carbon Budget Delivery Plan and the Net Zero Growth Plan.Ģ. Ordered by the House of Commons to be printed 30 March 2023ġ. Presented to Parliament pursuant to details of the Climate Change Act (2008) Section 14
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