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Accurate and reliable data on climate-related risks becoming increasingly important, CLIMADA provides a robust analysis of the cost and benefits of adaptation measures and allows informed resilience investments into adaptation and disaster risk reduction. CLIMADA is an open-source quantitative modelling tool used by ECA to conduct risk assessments. It is a mathematical model written in two different scripting languages, MATLAB and Python.

CLIMADA constitutes a platform to analyse risks of different hazard types (Floods, Tropical Cyclones, Droughts, etc.) in a globally, regionally and locally consistent fashion at different resolution levels, at scales from multiple kilometres down to meters, depending on the purpose.

CLIMADA offers a systematic, flexible and transparent approach which is based on four major elements:

• Hazards: CLIMADA is able to provide projections and simulations of hazards, incorporating historical damages and remote sensing data to produce hazard maps.
• People & Assets: CLIMADA identifies the geographical distribution and monetary values of different assets: persons, housing, public infrastructure and ecosystems, among others, which can be clustered by sectors
• Damage functions: CLIMADA estimates damage functions, capturing the relationship between the intensity of an event and its economic consequences on key assets (i.e. people, buildings, public infrastructure, etc.).
• Adaptation measures: CLIMADA recommends different adaptation measures, based on cost-benefit criteria and ranks them accordingly regarding their efficiency. CLIMADA can cross-reference existing and planned adaptation measures, with the recommended adaptation measures, analysing construction and maintenance costs, location and effects on key assets.