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A new scenario resource for integrated 1.5 °C research

Scenarios have supported assessments of the IPCC for decades. A new scenario ensemble and a suite of visualization and analysis tools is now made available alongside the IPCC 1.5 °C Special Report to improve transparency and re-use of scenario data across research communities.

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Fig. 1: Overview of process of compilation of scenario ensemble data and illustrative data visualizations.


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The authors appreciate the institutional support provided by the IIASA in hosting the IAMC 1.5°C Scenario Explorer and wish to thank P. Kolp, N. Kushin and M. Pimmer for their contribution to the development of the explorer and maintenance of the database infrastructure. The IAMC Scientific Working Group on Data Protocols and Management is acknowledged for their efforts to enable consistent reporting across research groups and the development of a common data template. The substantial work by all modelling teams that submitted scenarios to the database is also gratefully recognized. The development of the IAMC 1.5 °C Scenario Explorer was financially supported by a voluntary contribution from ClimateWorks; the project SENSES, which is part of the JPI Climate ERA-Net Cofund for Climate Services funded by the European Union, the Austrian Federal Ministry of Science and Research via the Austrian Research Promotion Agency and the German Federal Ministry of Education and Research; and the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 642147 (CD-LINKS).

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Authors and Affiliations



D.H. and K.R. coordinated the development of the scenario resource. All authors contributed to the development of the scenario resource. D.H. and J.R. wrote the first draft of the manuscript, with contributions from all authors. D.H. created the figure, with inputs and suggestions from all authors.

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Correspondence to Daniel Huppmann.

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Huppmann, D., Rogelj, J., Kriegler, E. et al. A new scenario resource for integrated 1.5 °C research. Nature Clim Change 8, 1027–1030 (2018).

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