Costas Varotsos is a Professor at the National and Kapodistrian University of Athens in Greece. He is Editor-in-Chief of the Remote Sensing Letters and the International Journal of Atmosphere and Solar-Terrestrial Physics. His expertise and research include Remote Sensing, Climate-Environmental Dynamics, and Natural Disasters. He has published over 300 peer-reviewed articles and 18 Monographs. He has received many honors and awards from several Academies, Universities, and Research Institutions.Yuri A. Mazei is a Professor at Lomonosov Moscow State University in Russia. He is the Deputy-Chief-Editor of the journal Protistology and an editorial board member of the European Journal of Ecology. He has published over 100 peer-reviewed articles and two monographs. He has been awarded a medal for young scientists from the Russian Academy of Sciences and an honorary diploma from the Ministry of Education and Science of the Russian Federation.