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Pfleiderer, P., Frölicher, T.L., Kropf, C.M., Lamboll, R.D., Lejeune, Q., Capela Lourenço, T., Maussion, F., McCaughey, J.W., Quilcaille, Y., Rogelj, J. 
ORCID: https://orcid.org/0000-0003-2056-9061, Sanderson, B., Schuster, L., Sillmann, J., Smith, C., Theokritoff, E., & Schleussner, C.-F.
(2025).
Reversal of the impact chain for actionable climate information.
Nature Geoscience 10.1038/s41561-024-01597-w.
Abstract
Escalating impacts of climate change underscore the risks posed by crossing potentially irreversible Earth and socioecological system thresholds and adaptation limits. However, limitations in the provision of actionable climate information may hinder an anticipatory response. Here we suggest a reversal of the traditional impact chain methodology as an end-user focused approach linking specific climate risk thresholds, including at the local level, to emissions pathways. We outline the socioeconomic and value judgement dimensions that can inform the identification of such risk thresholds. The applicability of the approach is highlighted by three examples that estimate the required CO2 emissions constraints to avoid critical levels of health-related heat risks in Berlin, fire weather in Portugal and glacier mass loss in High Mountain Asia. We argue that linking risk threshold exceedance directly to global emissions benchmarks can aid the understanding of the benefits of stringent emissions reductions for societies and local decision-makers.
| Item Type: | Article |
|---|---|
| Research Programs: | Energy, Climate, and Environment (ECE) Energy, Climate, and Environment (ECE) > Integrated Assessment and Climate Change (IACC) Energy, Climate, and Environment (ECE) > Transformative Institutional and Social Solutions (TISS) Energy, Climate, and Environment (ECE) > Integrated Climate Impacts (ICI) |
| Depositing User: | Luke Kirwan |
| Date Deposited: | 13 Jan 2025 09:53 |
| Last Modified: | 13 Jan 2025 15:22 |
| URI: | https://pure.iiasa.ac.at/20334 |
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