Pt.I. Re-conceptualizing diplomacy -- Promise of sustainable diplomacy : redefining the praxis of ecological realsim -- Diplomacy and public imagination -- Diplomacy, spirituality, altrnity -- Pt.II. Diplomatic cultures, exclusions and transformations -- Perforated sovereignities, agnostic pluralism and durability of (para) diplomacy -- Decolonizing diplomacy : reflections on African estrangement and exclusion -- Sustainability and transformation in diplomatic culture : the case for eurocentism -- Pt.III. Diplomatic issues and case studies -- Sustainable public diplomacy : communicating about identity, interests and terrorism -- Sustained peacebuilding : the role of non-governmental organizations and researchers -- Sustainable diplomacy in the European Union -- Engaging the enemy : an essential norm for sustainable US diplomacy -- Towards a sustainable diplomacy in divided Korea -- US-Iranian conflict in Obama's new era of engagement : smart power or sustainable diplomacy?