Nathan BEN KEMOUN holds a PhD in Management Sciences from Paris-Dauphine University. His research focuses on forms of life and experiences of commitment in response to climate change. His publications examine the conditions under which sobriety policies can be implemented within the limits of the planet. He is a member of the CleRMa research laboratory. He is currently working with various institutions in the worlds of art and culture to devise the forms of coexistence best suited to a threefold horizon of social justice, ecological redirection and the existential quality of the experiences to be intensified to that end.