12. August 2026

Climate resilience and social justice in the Ahr Valley Climate resilience and social justice in the Ahr Valley

Project SOZIAHR: Survey of 70,000 people starts now

The SOZIAHR research project at the University of Bonn is now launching a large-scale population survey to find out how people have fared in the five years since the Ahr Valley flood. Around 70,000 people are being invited to take part. Those who were registered in the municipalities of Adenau, Altenahr, Bad Neuenahr-Ahrweiler, Sinzig, and Grafschaft on the reference date of the flood, and who still live there today or have moved at most once since then. The survey begins in early August and runs until the end of September. The results are planned to be published in April 2027.

Ahrtal - Fünf Jahre nach der Flut startet die große Bevölkerungsbefragung
Ahrtal - Fünf Jahre nach der Flut startet die große Bevölkerungsbefragung © © Susanne Bell / Uni Bonn
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People will be contacted by mail and asked about their personal circumstances and views. They can document how they were directly affected by the flood and how it still affects them today. There are questions covering private and business reconstruction as well as political attitudes. Finally, SOZIAHR's population survey also asks about social support and the political reckoning with the flood disaster.

People's responses are needed now

To obtain robust results, the research team now needs the participation of people in the Ahr Valley. The more evaluable responses that come in, the better. The questionnaire was tailored precisely to the situation of people in the Ahr Valley, tested together with those affected, and then further refined. As a result, effects such as "deep exhaustion" or "loss of trust in public institutions" were also included in the questionnaire. The results will be compiled by April 2027 and then presented to the public. The aim is to give the people of the Ahr Valley a voice. The findings gathered are intended to support political debates on the reconstruction process and general regional development. The insights gained will feed into scientific recommendations, which will be actively brought to the attention of political decision-makers at various levels.

The project

Soziahr is developing recommendations for action for the Ahr Valley. The thematic focus is on linking climate resilience and social justice. The aim is to make legal regulations and administrative processes for private reconstruction in the context of extreme weather events more effective overall. Since 2024, an associated workshop process with regional experts on "social challenges in reconstruction" has already been underway, in cooperation with the "Science for Reconstruction" competence network at Koblenz University of Applied Sciences, to support practice-oriented solution processes.

The SOZIAHR project involves researchers from the Cluster of Excellence ECONtribute and the Department of Economics: Prof. Dr. Hanna Schwank and Prof. Dr. Julia Mink lead the research on "The Impact of the Flood on Income and Wealth Inequality." Prof. Dr. Svenja Hippel is involved with research on "Climate Protection and Adaptation in Private Reconstruction." Also involved are the Geographical Institute of the University of Bonn, the Center for Advanced Studies in Law and Economics (CASTLE) at the University of Bonn, the Argelander Professorship for the Law of Sustainability and Ecological Transformation at the University of Bonn, and the Wuppertal Institute for Climate, Environment and Energy gGmbH.

The Wuppertal Institut is an implementation-oriented research institute working at both the national and international level, rooted in North Rhine-Westphalia with a global outlook. Its researchers develop scientifically grounded solutions to ecological, social, and economic challenges. In doing so, the institute works closely with stakeholders to actively help shape transformations toward a sustainable world.

The project is funded from 2026 to 2029 by the Mercator Foundation. The Mercator Foundation is a private, independent, and non-profit foundation that acts on the basis of scientific expertise and practical project experience. Since 1996, it has advocated for a solidary and participatory society. To this end, it funds and develops projects that improve opportunities for participation and social cohesion within the community. The Mercator Foundation is committed to a capable and democratic Europe, a digital transformation of state and society oriented toward fundamental rights, and a resilient, socially balanced climate policy. This can only be achieved in a liberal democracy, which the Mercator Foundation seeks to defend and strengthen, as summed up by its motto: #WeStrengthenDemocracy. It is active in Germany, Europe, and worldwide. It feels a particular connection to the Ruhr region, home of the founding family and seat of the foundation.

Susanne Bell M. A.
SOZIAHR Project Management
Geographical Institute, Cultural Geography Working Group
Meckenheimer Allee 166, 53115 Bonn
Email: sbell@uni-bonn.de
www.soziahr.uni-bonn.de

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