The European construction is at a crossroads. Faced with a major global crisis that challenges its very existence, it must redefine itself by adopting new directions for its policies. These orientations can no longer be expressed negatively, as the avoidance of war, or as the rejection of National egoisms. They must install a new positive agenda, in which European citizens, and in particular the youth, can recognize what they have already started to build, and which they can trust as enabling them to build it further. While the finance-dominated economy is sinking and pulling societies downwards, citizens, advocacy groups and intellectuals have started building new agendas. There will be many paths opened, and this text explores but one of them: the recognition that in the digital era, a huge share of knowledge production, cultural creativity and public expression occurs in a non-market sphere, where the products of activities are placed under commons statutes. Recognizing it, we outline how the cultural commons can be one of the laboratories of the exploration of a new humanism, and under which conditions it can contribute to social justice. more at: http://paigrain.debatpublic.net/?p=4905&lang=en