The International Scientific GeoConferences SGEM bring together Scientists, Researchers, Educators and Practitioners from all over the world to exchange ideas, to define the research priorities in the fields of Earth & Planetary Sciences. Our overall objective is to propose potential solutions of problems related to the global changes, to contribute to the integration of environmental consideration into the decision-making process - to ensure that present consumption will not compromise the ability of future generations to meet their own needs. All accepted, after peer review papers, are published in the Conference Proceedings (ISSN 1314-2704) and yearly are submitted for evaluating and indexing by ISI Web of Science - Clarivate, ELSEVIER products - SCOPUS , Mendeley and COMPENDEX, CrossRef, SPRINGER Nature, EBSCO, ProQuest, RSCI (Russian eLibrary - РИНЦ), Google Scholar, CiteULike, British Library and many others. All the accepted papers receive unique DOI number, needed for the recognizing in the International databases. The 20th International Multidisciplinary Scientific GeoConference SGEM 2020 is a conference and exhibition dedicated to solutions and innovations in 28 different scientific fields. The 20th International Scientific GeoConference SGEM 2020 will be held in the biggest and most modern Bulgarian sea-side resort and SPA Albena Complex, near Varna city, Bulgaria, in brand new 5 star, hi-teched Congress Centre PARADISE BLUE.