Adaption pathway generator tool

Tool description

The Pathways Generator Tool (PG) develops pathways maps to define the solution space and allow comparison of alternative pathways into the future, via evaluations of costs, benefits and co-benefits. Together, DAPP and the PG have been used for flood risk in Miami, water supply in San Francisco and coastal flooding in Aveiro, Portugal, among others.


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It allows decision makers to consider longer-term implications and path dependency of near-term decisions to avoid investment regret and lock-in as the uncertain future unfolds. It uses ‘tipping points’ based on bottom-up vulnerability assessments and defined with stakeholders to ensure that system performance is maintained under a variety of futures. It can be used with different levels of analysis from qualitative expert judgement to quantitative modelling results

User stories & city hub experiences


Triple-A phase

The tool can be used in the following Triple-A phases: Ambition phase: • The PG Tool supports the mapping and visualisation of the solution space Action phase: • The PG Tool can help decision-makers to identify, evaluate and prioritize the best pathway alternative


Not available yet


More information at


The pathways generator complementary tools are Community Flood Resilience Support System and Climate Resilient Cities Toolbox.

The climate story of Gdynia​

Short summary: A story about Jan and Maria during extreme precipitation.

Theme: Flooding

End user: Citizens

Link to the story: under construction