1. Climate Change and Energy Security in Europe;Adelle Camilla,2009
2. The European Union as a Leader in International Climate Change Politics;Barnes Pamela M,2010
3. Key Powers Reach Compromise at Climate Summit;BBC News website,2009
4. The European Union as a Global Actor;Bretherton Charlotte,2006
5. Is Climate Change Changing the EU? The Second Image Reversed in Climate Politics;Costa Oriol;Cambridge Review of International Affairs,2008