An important dimension of More in Common’s work is testing strategies to prevent and reduce social fractures. Far-right groups are seeking to drive deep wedges between different parts of society, such as between cosmopolitans and people in ‘left-behind’ communities. We identified the risk of divisions widening in France after the emergence of the Yellow Vest movement with this project that seeks to find where common ground exists between the movement and cosmopolitans. The project looks especially at issues of the environment, climate and social justice. It is being undertaken with several partners including environmental groups, with outputs that can strengthen the sense of shared identity and values between those concerned with ‘the end of the month’ and those concerned with ‘the end of the world.’ The project involves research, civil society convenings, narrative development, training and testing of communications strategies.