On 13/09/2021 another meeting of the partners of the project Greenopolis – Interactive eBook on Sustainable Development took place. The partners met in Zadar (Croatia) to discuss the final steps of the project. The meeting was also an opportunity to analyse materials and organisational issues related to the final report and other activities related to the administrative part of the project finalisation. The main point was of course to discuss the outcome of the project – the e-book on sustainable development.