THEMES: A series of four Marie Curie funded Summer Schools in Emerging Theories and Methods in Sustainability Research,  organised by leading universities across Europe. The topics for the summer schools are: Analysing Complexity (Barcelona 2006), Institutional Analysis of Sustainability Problems (Bratislava 2007), Methods and tools for environmental appraisal and policy formulation (Lisbon 2008), Integrated analysis of complex adaptive systems (Brighton 2009).