Eco-innovations are considered a central enabler for a green economy and for a sustainable development while not threatening the competitiveness of the European Economy. The inter- and transdisciplinary project “European Global Transition Network on Eco-Innovation, Green Economy and Sustainable Development” (hereinafter green.eu) aims at establishing a network of European and international researchers active in the fields of eco-innovation, green economy, and sustainable development. Besides researchers, the project green.eu addresses also other key stakeholders from business, politics, and non-governmental organisations that are considered crucial for the success of a transformation towards a green and sustainable economy.Thereby, the central goals of the project are to improve the understanding and scientific assessment of concepts related to eco-innovations, sustainable transformation and the green economy and to further develop these concepts. Finally, green.eu aims at identifying success factors allowing to jointly achieving a transformation towards a sustainable economic growth and an improvement of the competitiveness of the European economy.