The main goal of the 18th annual Conference is to discuss issues and perspectives of Natural Sciences and Energy Sector worldwide; as well as to allow young scientists to develop their skills. Ph. D. students, postdocs, master students and all other young scientists doing research on natural sciences and energy issues are welcome to the Conference as speakers and participants. This conference is scheduled in the online format. It frees our resources and allows us to divert more efforts towards expanding the scope and increasing the reach of the Conference.