Nuno Pereira Castanheira is a researcher at the Center for Philosophy of the University of Lisbon with a PhD in Political Philosophy. His research interests reside mainly in the interconnections between ethics, politics, ontology and existence philosophies. Nuno has worked in environment NGO’s, in the area of environmental politics and communication, and was a member of the managing body of SEA – Sociedade de Ética Ambiental, a society for promotion of environmental ethics.