Research
April 2026 · DOI
Early Warning for Urban Flooding: Evaluating Community-Based Alert Systems in Coastal Cities
This paper examines early warning for urban flooding. Drawing on original data and 29 expert interviews, we find that existing policy frameworks underestimate systemic risk and overestimate institutional capacity. For policymakers, the challenge is one of sequencing. Measures that make sense in the long run — diversifying supply chains, investing in resilience, building institutional capacity — often impose short-term costs that are politically difficult to justify. We conclude with five recommendations for policymakers and outline an agenda for further research.
Priya Raman, Yuki Tanaka et al.
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