The EUCityCalc project aims to support cities in developing and implementing scientifically robust, detailed, and integrated transition pathways towards climate neutrality. The project will adopt the prospective modelling approach of the EU City Calculator webtool, an open-source tool providing cities with a sectoral outlook on the type and ambition of measures they can take to achieve a transition towards climate neutrality. The model supports cities in designing tailored transition pathways and policy scenarios. EUCityCalc will support 10 pilot cities: Riga, Dijon Métropole, Mantova, Zdar, Palmela, Sesimbra, Setubal, Koprivnica, Varazdin, Virovitica – in developing and implementing pathways and scenarios towards climate neutrality.