Dr Marzena Smol and Dominika Szołdrowska from the Mineral and Energy Economy Research Institute of the Polish Academy of Sciences attended Analysis of Issues and Results, Summaries of Speeches by Young Scientists – 2nd Edition, March 2020, Krakow, Poland. Dr Marzena Smol and Dominika Szołdrowska presented the poster “Summer school as a modern educational tool in the water and sewage sector”.