GECKO will focus on accountable, responsible, and transparent artificial intelligence (ART AI) to address urgent environmental needs and support the European Green Deal and AI ecosystem, ensuring that all citizens benefit from the sustainable green transition. The EC AI flagship report highlights the need for the input of civil society to discuss values being embedded into AI (via social sciences) and responsible design practices (via information sciences) that encode societal values and guidelines into AI system so that they are ethical by design in order to build and retain trust in AI. ART AI is a promising approach for EU, but has not yet reached the level of maturity and urgent research and new research skills are needed to bridge the gap between disciplines. GECKO will establish a synergy between science, humanities, and technology research, currently missing, through a ground-breaking integrated research programme giving Europe a competitive global advantage. GECKO’s ambition is to create a sustainab