Sandrine Glatron works as a research scientist at the French National Center for Scienctific Research. She has been studying the representations that city dwellers make of their living environment and the nuisances attached to it (various forms of pollution and hazards) since the beginning of this century, in the french context (Strasbourg, Paris). She is also interested in the civic engagement of citizens in environmental causes as participating to new forms of governance. Laurence Granchamp is associated professor at the Faculty of Social Sciences of the University of Strasbourg in France. Her research topics include citizen mobilization and the mediation of climate change issues, and also on the dynamics of the relation between urbanization and agriculture in `Northern` and ´Southern` countries particularly Brasil and France, including urban-rural mobility, developments in family farming and how urban agriculture is implemented in strategies for the transition to sustainable cities. She has written multiple articles, chapters, and books on individuals' and households' concerns about climate change, sustainable development and urban agriculture.