Penn State will host the 20th North American Mine Ventilation Symposium (NAMVS) in collaboration with the Society of Mining, Metallurgy, and Exploration (SME) and the SME Underground Ventilation Committee (UVC) on June 21–26 in Pittsburgh. The symposium is North America's largest biennial gathering of mine ventilation professionals, which brings mine operators, equipment manufacturers, researchers and regulators together to showcase products, attend presentations and discuss the leading technologies and research.