Edita Baltrėnaitė, Doctor of Sciences in the Scientific Field of Environmental Engineering and Landscape Management, Associated Professor, acting as a professor in Vilnius Gediminas Technical University. She serves as Executive Editor of the Journal of Environmental Engineering and Landscape Management, an international scientific journal.Pranas Baltrėnas, Professor-emeritus, Dr. Habil, Vilnius Gediminas Technical University, the originator of the Department of Environmental Protection and the Institute of Environmental Protection as well as the pioneer of environmental engineering in Lithuania. Arvydas Lietuvninkas, Doctor of physical sciences (volcanology and petrology), professor; a honorary research worker in the Russian system of higher professional education, awarded by several medals and prizes for research and pedagogical achievements.