Lead by Deltares (Netherlands), TACTIC have now produced standard climate change scenarios for all 41 pilot areas across Europe from Ireland to Ukraine and from Malta to Finland. The standard TACTIC scenarios are produced to enable a harmonized comparison of impacts on groundwater resources across Europe as a result of climate change. The standard climate change scenarios will be applied in a variety of tools within TACTIC from integrated hydrological models to time-series analysis but are also available for use outside TACTIC.