Soon to be Dr. rer. pol. Martin Balaš defended his doctoral thesis “Measuring and managing sustainability impacts of tourism from a subnational perspective” at the Leuphana University. Congratulations! The very interesting and successful presentation was based on 4 research papers. The work was supported by the IKC Process Design for the Implementation of a Biodiversity-Conserving Land Use - focus on Biosphere Reserves (ProBio-LaB), funded by the Brandenburg Ministry of Science, Research and Culture.