The Chamber of Engineers of Slovenia organised the Slovenian Engineering Day 2025 with the title Decarbonising the built environment, involving more than 1 000 chartered engineers. The participants also heard presentations by Dr Miloš Markič and Associate Professor Dr Nina Rman from GeoZS. Dr Markič presented the possibilities of underground storage of CO₂ in Slovenia, while Associate Professor Dr Rman gave a lecture on the design of geothermal energy systems based on publicly available data.