Opening Address&Armin von Bogdandy 1
Revisiting Solidarity as a （Re-）Emerging Constitutional Principle： Some Further Reflections&Karel Wellens 3
Discussion Following the Presentation by Karel Wellens 39
Solidarity and the Law of Development Cooperation&Philipp Dann 55
Discussion Following the Presentation by Philipp Dann 79
Responsibility to Protect： Reflecting Solidarity？&Laurence Boisson de Chazournes 93
Discussion Following the Presentation by Laurence Boisson de Chazournes 111
Intergenerational Equity&Dinah Shelton 123
Discussion Following the Presentation by Dinah Shelton 163
Military Intervention without Security Council’s Authorisation as a Consequence of the “Responsibility to Protect”&Tania Bolanos 169
Common Security： The Litmus Test of International Solidarity&Hanspeter Neuhold 193
Concluding Remarks&Rudiger Wolfrum 225
List of Participants 229