The BRI organised the workshop "Collaboration in European UNESCO Biosphere Reserves". A total of 34 participants, from 20 countries, different BRs, related organisations, and research institutions participated. Workshop sessions covered topics including transdisciplinary research, MAB regional and thematic networks and governance. The programme also included an excursion to the Spreewald Biosphere Reserve. The workshop took place at the HNEE with the support of BfN.