This document provides an executive summary of the Innovation Network "Morgenstadt: City Insights" research project. The project aims to develop innovations to help cities transition to more sustainable, resilient, and livable systems through analyzing leading cities, developing a "Morgenstadt Model" for sustainable urban development, and establishing a partner network. The initial research phase involved in-depth analysis of six cities and identifying success factors across sectors like energy, mobility, and governance. Future phases will focus on concrete project concepts and pilots to accelerate breakthrough innovations for sustainable urban transition.