In episode #5 of the Connectomics podcast, Mark speaks with sustainability researcher Roope Kaaronen.  Roope is a postdoc at the University of Helsinki, Finland.  In this episode, they talked about Roope's fortuitous introduction to ecological psychology and its value to his present work, his present work on strategic design interventions for large scale behaviour change/cultural evolution, the challenges and opportunities at the intersection between individual and collective change, nudging, and more.   This episode was edited and produced by Shane Byrne and in association with the Okinawa Institute of Science and Technology Graduate University.