Openness has emerged over the last decades as a core European valueand an explicit policy ambition of the European Commission, in its science andresearch policy. Since 2016 the EU became a formal leader in open science andwith its “plan S” it championed open access. Quite recently, a need for a more“realistic” approach has emerged with Europe positioning itself now as strivingtowards “technological sovereignty”. The question addressed in this paper is howthe notion of “openness” can be maintained as a core characteristic of Europeanvalues in a world in which the geo-political tensions following the Russian invasionof Ukraine in 2022, have taken their toll. Particularly with respect to the globalsustainability challenge, the question can be raised how “technological sovereignty”as opposed to “open scie
