Business. His research project is the phenomenology of sustainability. The focus of his work is on questions concerning ethics and technology in relation to sustainable change, and in particular in the context of food and agriculture. Toni Ruuska Postdoctoral researcher at the University of Helsinki, Faculty of Agriculture and Forestry, Department of Economics. Toni's research interests are located generally in political ecology and economy. In his post-doctoral research, he is studying the politics of self-sufficiency in food production. The take on the subject is philosophical, i.e., trying to understand what nature is and what kind of knowledge a subject can have of it, but also personal and practical. This is because sustainable change in self-sufficient food production is approached through alternative actions and the practices of individuals and communities by utilising an auto-ethnographic method.