Mrs Caroline Hélène Dabard successfully defended her doctoral thesis entitled "Enhancing the transformative potential of sustainability innovations: Insights from two European Biosphere Reserves" in Lüneburg. The dissertation was written as part of the Biosphere Reserves Institute in collaboration with Leuphana University Lüneburg. It was supervised by Prof. Dr. Berta Martín-López (Leuphana University Lüneburg) and Prof. Dr. Carsten Mann (HNEE). Congratulations on this great achievement!