Dr. Magdalena Alonso Balmaseda, Head of Earth Predictability Section, European Centre for Medium-Range Weather Forecasts, Reading (UK): "Current research challenges in the predictability at subseasonal and seasonal time scales"

Dr. Dirk Notz, Sea ice in the Earth System, The Ocean in the Earth System, Max Planck Institute for Meteorology, Hamburg (Germany): "When is all the sea ice gone?"

Dr. Tobias Bayr, Marine Meteorology, Ocean Circulation and Climate Dynamics, GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel (Germany): "Between worry and hope: What did we achieve in terms of climate protection in 2019?"

Dr. Aaron Beck, FB2-CH: “Widespread environmental contamination from relict undersea munitions in the southwest Baltic Sea”