The contribution of non-CO2 greenhouse gas mitigation to achieving long-term temperature goals

Gambhir, A., Napp, T., Hawkes, A., Höglund-Isaksson, L. ORCID:, Winiwarter, W. ORCID:, Purohit, P. ORCID:, Wagner, F. ORCID:, Bernie, D., et al. (2015). The contribution of non-CO2 greenhouse gas mitigation to achieving long-term temperature goals. AVOID 2 WPC2b Report. Grantham Institute, Imperial College London, UK /IIASA, Laxenburg, Austria / Andlinger Center for Energy and the Environment, Princeton University, USA / Met Office Hadley Centre, UK , London, UK.

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In the latest (fifth) assessment from the Intergovernmental Panel on Climate Change (IPCC) non-CO2 emssions accounted for 28% of total GHG emissions in 2010, when measured on the basis of their global warming potential (relative to CO2) over a 100-year and nitrous oxide (N2O) accounting for about half of all non-CO2 GHGs. With population and incomes increasing, especially in emerging economies, these emissions could grow significantly in the future. Other major sources of non-CO2 GHGs are fugitive CH4 from the extraction and distribution of fossil fuels, N2O from industrial production of nitric and adipic acid, as well as fluorinated gases (F-gases) from a range of industrial manufacturing and product uses.

This paper analyses the emissions and cost impacts of mitigation of non-CO2 greenhouse gases (GHGs) at a global level, in scenarios which are focused on meeting a range of long-term temperature goals (LTTGs). The paper demonstrates how an integrated assessment model (TIAM-Grantham) representing CO2 emissions (and their mitigation) from the fossil fuel combustion and industrial sectors is coupled with a model covering non-CO2 emissions (GAINS) in order to provide a complete picture of GHG emissions in a reference scenario in which there is no mitigation of either CO2 or non-CO2 gases, as well as in scenarios in which both CO2 and non-CO2 gases are mitigated in order to achieve different LTTGs.

Item Type: Other
Additional Information: This work was supported by AVOID 2 programme (DECC) under contract reference no. 1104872.
Research Programs: Air Quality & Greenhouse Gases (AIR)
Mitigation of Air Pollution (MAG)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 08:53
Last Modified: 27 Aug 2021 17:25

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