Water Management in Decision Theater: Learning from Others
Global Collaboration for Water Sustainability Takes Center Stage at Falling Walls Summit 2025
The Anthropocene—our current geological epoch defined by humanity's profound impact on Earth systems—reveals the deep interconnectedness of our greatest challenges: climate change, ecological crisis, biodiversity loss, and resource scarcity are not separate problems but interlinked dimensions of a single planetary transformation.
Water scarcity, once confined to arid regions, has emerged as a critical manifestation of this interconnected crisis, demanding urgent, coordinated action. At the Falling Walls Summit 2025 in Berlin, researchers and practitioners from three continents gathered to demonstrate how cutting-edge Decision Theater technology can help mitigate one of the Anthropocene's most pressing challenges: sustainable water management.
From Local Innovation to Global Learning
Opening the session, Prof. Jürgen Renn, a founding director of the Max Planck Institute of Geoanthropology, laid out a sobering reality: the UN projects that by 2050, nearly half of the world's population will face water scarcity. But rather than dwelling on the crisis, Renn emphasized the opportunity for collective action.
"We focus not only on understanding why scarcity occurs," he explained, "but on learning how we can act together to ensure sustainable access to water for all."
The collaboration brings together three leading institutions: Ben-Gurion University of the Negev's Blaustein Institutes for Desert Research, Arizona State University, and the Max Planck Institute of Geoanthropology. Together, they have recognized the global water issue as one where they can make a tangible difference in mitigating the challenges of the Anthropocene, combining local water strategies into a unified approach made manageable through Decision Theater technology.
A Year of Building Partnerships
Prof. Noam Weisbrod, Alain Poher Chair in Hydrogeology at Ben-Gurion University, reflected on how the partners jointly developed the initiative just over a year ago: could researchers, policymakers, and industry come together to tackle water scarcity as a truly global challenge?
Prof. Manfred Laubichler, Global Futures Professor and President's Professor of Theoretical Biology and History of Biology, and Director of the School of Complex Adaptive Systems and the Decision Theater at Arizona State University, explained the power of the Decision Theater approach—a methodology that allows diverse stakeholders to explore complex, interlinked data and scenarios collaboratively.
"Decision Theaters make complexity manageable," he noted, "by creating shared spaces where experts and decision-makers can see trade-offs and opportunities in real time."
Three Continents, Three Solutions
The heart of the event showcased three detailed case studies, each demonstrating how Decision Theater technology can address distinct water management challenges. All three demonstrations worked extremely well, each revealing different aspects of how Decision Theater technology can transform water management.
Colorado River Basin: Adaptive Management Under Stress
Nicole Cox, Senior Coordinator at ASU's Decision Theater, presented the CuRVE Project, which explores adaptive water management in a system facing both historic drought and growing demand. The Colorado River Basin serves as a test case for how data modeling and stakeholder engagement can improve decision-making in transboundary water systems.
Yellow River: History Meets Modern Challenges
Dr. Shuang Song from the Max Planck Institute of Geoanthropology explored the Yellow River Basin—one of the world's most historically significant water systems. His research examines how combined strategies including South-North water transfers, clean energy transitions, and universal water conservation could achieve long-term water security by mid-century.
The presentation highlighted how understanding the co-evolution of human societies and water systems provides crucial insights for contemporary management.
Israel: Simulating Resilience Through Crisis
Dr. Karol Gonçalves demonstrated an integrated decision-support model that simulates multiple crisis scenarios simultaneously—drought, energy shortages, conflict, even cyber threats.
Using Israel's water system as a test case, her team explored how decision support systems can contribute to identifying balanced, resilient responses to both single and compounding crises.
From Models to Action: A Lively Discussion
The panel discussion revealed the depth of audience engagement with the initiative. Dr. Rosa Roman-Cuesta, forest ecologist and Alexander von Humboldt Fellow at the European Commission's Joint Research Centre, explored how the project could connect with European policy frameworks and the European Green Deal. Prof. Patrick Bräutigam from the University of Stuttgart discussed how technological innovations in water treatment and sensor technology could complement these systems-level approaches.
The open discussion demonstrated strong interest, with many questions focusing on next steps and practical implementation. Several key themes emerged:
Integration with Broader Sustainability: Participants emphasized that water management cannot be addressed in isolation. The need to integrate water strategies with the transition to renewable energies became a central point of discussion. Local ecological challenges—from biodiversity to land use—must be considered alongside water security. The Decision Theater approach was seen as particularly valuable for exploring these interconnections within the broader context of Anthropocene challenges.
From Research to Policy: An animated discussion centered on how Decision Theater technology could facilitate stakeholder dialogues and integrate them into policymaking at various levels—from local municipalities to national governments to international frameworks. The models presented generated substantial interest, and many attendees wanted to understand how such tools could be implemented in their own contexts.
Focus on Vulnerability: One important remark from the audience raised the critical issue that efforts to mitigate water scarcity should focus on regions with the largest vulnerability, particularly in Africa. This perspective highlighted the need to ensure that global initiatives address the most pressing needs in the most affected regions.
Scaling and Integration: Questions about expanding beyond the three initial case studies dominated the latter part of the discussion. Could this model work for other river systems? How might it address groundwater management? The issue of scaling, participants noted, should comprise not only geographic expansion but also the further integration of the models that were demonstrated. The enthusiasm in the room suggested strong potential for creating a consortium of research institutions and projects dealing with practical challenges.
Looking Ahead: Transforming Awareness into Action
In his closing remarks, Jürgen Renn returned to the initiative's guiding question: "How can we transform global awareness of water scarcity into coordinated, solution-driven action—and what new forms of collaboration, governance, and knowledge exchange are needed to make that transformation real?"
Based on the response at Falling Walls Summit 2025, the answer seems to involve precisely what this collaboration demonstrates: combining cutting-edge technology with diverse expertise, local knowledge with global perspective, and research insights with stakeholder engagement.
The discussions about practical implementation, integration with broader sustainability challenges, and pathways from research to policy suggest that this initiative has struck a chord. Water management, participants agreed, must be understood not in isolation but as part of interconnected systems encompassing energy, ecology, and economic development—a systems-level approach essential for addressing Anthropocene challenges.
The path forward, as articulated during the discussion, involves several key elements: the creation of a consortium of research institutions and projects dealing with practical challenges; further integration of the demonstrated models to create more comprehensive decision-support systems; geographic expansion to address regions of greatest vulnerability, particularly in Africa; and systematic integration of stakeholder dialogues into policymaking at multiple scales.
As one audience member noted: "We've seen the models work in three very different contexts. Now the question is: how do we scale this thinking—both geographically and through deeper model integration—to transform the way we approach water governance globally?"
The partnership between the Blaustein Institutes for Desert Research, Arizona State University, and the Max Planck Institute of Geoanthropology appears well-positioned to help answer that question. With proven models, strong stakeholder interest, and clear pathways for expansion through consortium-building, the initiative represents a promising step toward making water security a shared global achievement in the face of Anthropocene challenges.
ABOUT THE COLLABORATION
Focus: Recognizing the global water issue as one where tangible progress can be made in mitigating the challenges of the Anthropocene by connecting research institutions worldwide to share insights, data, and solutions.
Partners:
- Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev (Israel)
- Arizona State University, Decision Theater and School of Complex Adaptive Systems (USA)
- Max Planck Institute of Geoanthropology (Germany)
Initial Use Cases:
- Arizona: Colorado River Basin adaptive management (CuRVE Project)
- China: Yellow River Basin long-term security strategies
- Israel: Multi-crisis resilience simulation and desalination integration
Next Steps: Creation of a consortium of research institutions and projects; further integration of models; geographic expansion to regions of greatest vulnerability; integration of stakeholder dialogues into policymaking.
Central Question: How can we transform global awareness of water scarcity into coordinated, solution-driven action—and what new forms of collaboration, governance, and knowledge exchange are needed to make that transformation real?
