Engaging citizens, businesses, governments and other sectors in adapting to local climate change impacts is a central concern in the EU-funded IMPETUS project. But how should decisions be made, using what tools, and based on what data and scenarios? By combining human inputs and innovative digital solutions, the project will boost knowledge about resilience to climate change. The first challenge – to shape the technical architecture for the digital dimension of these ‘Resilience Knowledge Boosters’ (RKBs) – has now taken its first significant step forward.