Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences
We develop a new index which maps relative climate change contributions to relative emergent impacts of climate change. The index compares cumulative emissions data with patterns of signal-to-noise ratios ( S / N ) in regional temperature (Frame et al 2017 Nat. Clim. Change 7 407–11). The latter act...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2019-01-01
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| Series: | Environmental Research Letters |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1748-9326/ab27fc |
| _version_ | 1797748063317524480 |
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| author | David J Frame Luke J Harrington Jan S Fuglestvedt Richard J Millar Manoj M Joshi Simon Caney |
| author_facet | David J Frame Luke J Harrington Jan S Fuglestvedt Richard J Millar Manoj M Joshi Simon Caney |
| author_sort | David J Frame |
| collection | DOAJ |
| description | We develop a new index which maps relative climate change contributions to relative emergent impacts of climate change. The index compares cumulative emissions data with patterns of signal-to-noise ratios ( S / N ) in regional temperature (Frame et al 2017 Nat. Clim. Change 7 407–11). The latter act as a proxy for a range of local climate impacts, so emergent patterns of this ratio provide an informative way of summarising the regional disparities of climate change impacts. Here we combine these with measures of regional/national contributions to climate change to develop an ‘emissions-emergence index’ (EEI) linking regions’/countries’ contributions to climate change with the emergent regional impacts of climate change. The EEI is a simple but robust indicator which captures relative contributions to and regional impacts from climate change. We demonstrate the applicability of the EEI both for discussions of historical contributions and impacts, and for considering future relative contributions and impacts, and examine its utility in the context of existing related metrics. Finally, we show how future emissions pathways can either imply a growth or reduction of regional climate change inequalities depending on the type and compositions of socioeconomic development strategies. |
| first_indexed | 2024-03-12T15:59:35Z |
| format | Article |
| id | doaj.art-6618a77de22d4d6fbe921c067a434181 |
| institution | Directory Open Access Journal |
| issn | 1748-9326 |
| language | English |
| last_indexed | 2024-03-12T15:59:35Z |
| publishDate | 2019-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Environmental Research Letters |
| spelling | doaj.art-6618a77de22d4d6fbe921c067a4341812023-08-09T14:41:52ZengIOP PublishingEnvironmental Research Letters1748-93262019-01-0114808400910.1088/1748-9326/ab27fcEmissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequencesDavid J Frame0https://orcid.org/0000-0002-0949-3994Luke J Harrington1https://orcid.org/0000-0002-1699-6119Jan S Fuglestvedt2Richard J Millar3Manoj M Joshi4Simon Caney5https://orcid.org/0000-0002-6316-231XNew Zealand Climate Change Research Institute, School of Geography, Environment and Earth Sciences, Victoria University of Wellington , Wellington 6012, New Zealand; Environmental Change Institute, University of Oxford , South Parks Road, Oxford, OX1 3QY, United KingdomNew Zealand Climate Change Research Institute, School of Geography, Environment and Earth Sciences, Victoria University of Wellington , Wellington 6012, New Zealand; National Institute of Water and Atmospheric Research, Wellington 6021, New ZealandCICERO Center for International Climate, Pb. 1129 Blindern, 0318 Oslo, NorwayNational Institute of Water and Atmospheric Research, Wellington 6021, New ZealandSchool of Environmental Sciences, University of East Anglia , Norwich, NR4 7TJ, United KingdomUniversity of Warwick , Coventry CV4 7AL, United KingdomWe develop a new index which maps relative climate change contributions to relative emergent impacts of climate change. The index compares cumulative emissions data with patterns of signal-to-noise ratios ( S / N ) in regional temperature (Frame et al 2017 Nat. Clim. Change 7 407–11). The latter act as a proxy for a range of local climate impacts, so emergent patterns of this ratio provide an informative way of summarising the regional disparities of climate change impacts. Here we combine these with measures of regional/national contributions to climate change to develop an ‘emissions-emergence index’ (EEI) linking regions’/countries’ contributions to climate change with the emergent regional impacts of climate change. The EEI is a simple but robust indicator which captures relative contributions to and regional impacts from climate change. We demonstrate the applicability of the EEI both for discussions of historical contributions and impacts, and for considering future relative contributions and impacts, and examine its utility in the context of existing related metrics. Finally, we show how future emissions pathways can either imply a growth or reduction of regional climate change inequalities depending on the type and compositions of socioeconomic development strategies.https://doi.org/10.1088/1748-9326/ab27fcclimate chance emergenceclimate ethicsclimate policy |
| spellingShingle | David J Frame Luke J Harrington Jan S Fuglestvedt Richard J Millar Manoj M Joshi Simon Caney Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences Environmental Research Letters climate chance emergence climate ethics climate policy |
| title | Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences |
| title_full | Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences |
| title_fullStr | Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences |
| title_full_unstemmed | Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences |
| title_short | Emissions and emergence: a new index comparing relative contributions to climate change with relative climatic consequences |
| title_sort | emissions and emergence a new index comparing relative contributions to climate change with relative climatic consequences |
| topic | climate chance emergence climate ethics climate policy |
| url | https://doi.org/10.1088/1748-9326/ab27fc |
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