Among all museums, science centres and science museums place their social role at the core of their mission: engage visitors in better understanding of the world in which they live; make the people they serve real actors in the public decision process; encourage “ living together” ethics. Museums and science centres have become mirrors of society’s concerns. They interact with people to trigger their curiosity and thirst of understanding and help to decode the world we live in. The world is facing many crises at different levels - economic, political, and societal. Knowledge, education, culture, science and technology are tools to overcome these crises through capacity building. How do science centres and science museums empower their audiences to better understand the issues at stake and to make engaged citizens? Leaders of major organisations will present the programmes they have developed to respond to these challenges.