The “GRAD” project aimed to adapt the experience of the City of Hamburg in developing green roof strategies since 2014 to an exemplary strategy structure to Polish conditions. In cooperation with the City of Hamburg and eight Polish pilot cities (Bielsko-Biała, Bydgoszcz, Gdynia, Kalisz, Kraków, Lublin, Warszawa and Wrocław), the Stowarzyszenie Gmin Polska Sieć “Energie Cités” implemented the project from 2018 to 2020. The conference covered topics such as water retention, green roofs, strategy and stormwater management. The aim of the project was to promote green roofs and facades as a means of climate adaptation in urban areas, using the experience of Hamburg. Individual strategies for the mentioned Polish cities were developed to support the promotion and implementation of green roof projects. The publication provides details on various aspects such as types, benefits and costs of green roofs, as well as on the development of individual targets and measures to promote and support green roof projects in Polish cities.