Dear colleagues,
We are delighted to announce the publication of the 2023 Hamburg Climate Futures Outlook: The plausibility of a 1.5°C limit to global warming – Social drivers and physical processes.
We assessed the dynamics of 10 social drivers and 6 physical processes and addressed the overarching question: What affects the plausibility of attaining the Paris Agreement temperature goals?
These are our key findings:
Meeting the 1.5°C Paris Agreement temperature goal is not plausible. Limiting the global temperature rise to well below 2°C can become plausible if ambition, implementation, and knowledge gaps are closed.
None of the ten social drivers support deep decarbonization by 2050. The drivers corporate responses and consumption patterns continue to undermine the pathways to decarbonization, let alone deep decarbonization. The physical processes permafrost thaw, AMOC instability, and Amazon Forest dieback can moderately inhibit the plausibility of attaining the Paris Agreement temperature goals. The social driver assessments demonstrate that human agency has a large potential to shape the way climate futures will evolve. However, human agency is strongly shaped by injustices and social inequalities, which inhibit social dynamics toward deep decarbonization by 2050. Key concepts and guiding principles toward a Sustainable Adaptation Plausibility Framework are established.
Download the Hamburg Climate Futures Outlook 2023 (accessible PDF, 25 MB)
Please find further information, figures and fact sheets on the Hamburg Climate Futures Outlook 2023 Website.
We wish you a pleasant reading and look forward to hearing from you!
Prof. Dr. Anita Engels
Chair DFG EXC 2037
„Climate, Climatic Change, and Society (CLICCS)“
https://www.cliccs.uni-hamburg.de/
Universität Hamburg; Allende-Platz 1, Raum 426
+49 (0) 40-42838-3832; Twitter: @Engels_Klima
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"Limiting
the global temperature rise to well below 2°C can become plausible if ambition, implementation, and knowledge gaps are closed."
This is another way of saying that limiting warming to well below 2C° is highly improbable.
Bill
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