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Systematic global stocktake of over 50,000 urban climate change studies

Urheber*innen

Montfort,  Simon
External Organizations;

/persons/resource/max.callaghan

Callaghan,  Max
Potsdam Institute for Climate Impact Research;

/persons/resource/Felix.Creutzig

Creutzig,  Felix
Potsdam Institute for Climate Impact Research;

/persons/resource/William.Lamb

Lamb,  William F.
Potsdam Institute for Climate Impact Research;

Lu,  Chenxi
External Organizations;

/persons/resource/Tim.Repke

Repke,  Tim
Potsdam Institute for Climate Impact Research;

Ge,  Ke
External Organizations;

/persons/resource/jan.minx

Minx,  Jan C.
Potsdam Institute for Climate Impact Research;

Externe Ressourcen

https://doi.org/10.7910/DVN/RSJF0Y
(Ergänzendes Material)

Volltexte (frei zugänglich)

s44284-025-00260-8.pdf
(Verlagsversion), 11MB

Ergänzendes Material (frei zugänglich)
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Zitation

Montfort, S., Callaghan, M., Creutzig, F., Lamb, W. F., Lu, C., Repke, T., Ge, K., Minx, J. C. (2025 online): Systematic global stocktake of over 50,000 urban climate change studies. - Nature Cities.
https://doi.org/10.1038/s44284-025-00260-8


Zitierlink: https://publications.pik-potsdam.de/pubman/item/item_32456
Zusammenfassung
Taking stock of climate change evidence is essential to helping cities address climate change. However, such efforts face challenges in appraising the growing scholarship in this fast-moving area. Here we use supervised and unsupervised machine learning to identify and classify over 53,000 urban climate studies, creating a dynamic, interactive and searchable evidence database for researchers and policymakers. Nearly 20,000 are city-specific case studies, revealing a rapidly growing yet unevenly distributed knowledge base. Notably, small and fast-growing cities, particularly in Africa and Asia, remain substantially underrepresented, contributing to topical, geographic and disciplinary biases in previous Intergovernmental Panel on Climate Change (IPCC) assessments. We propose three strategies to address this: (1) synthesizing case studies to support IPCC uptake, (2) identifying cross-city learning opportunities and (3) closing evidence gaps in the Global South. Thereby, our systematic stocktake helps inform adaptation and mitigation efforts in cities, guides future research and strengthens the IPCC’s ability to deliver robust, policy-relevant evidence.