Information and media literacy are similar concepts and cover similar topics and areas, because they place emphasis on critical evaluation of media and information, and then on collaborative work and sharing of new knowledge, but on the other hand, different, because they originated from different academic fields and focuses in competencies. Both literacies helps to find, understand, use and critically review information space and media. According to experts, information literacy is still considered as the most important literacy, because it implies the skills of using printed sources, libraries, digital materials and media in the process of lifelong learning. It is precisely the specificity of the digital environment that has indicated the importance of introducing information and media literacy into education system. Characteristics of digital environments are: algoritmization, commercialization, non- transparency, conditioned and motivated reasoning and impaired security and privacy. The development of media and information systems has made critical access to information and media content, their evaluation and ethical use indispensable. Ethical issues would have remained a marginalized discourse had it not been for UNESCO-s efforts to create a strategic framework of a group of experts from various disciplines and professions to implement the goals defined in media and information literacy Youth media literacy is at a high level, but research indicates that they are media and information illiterate: they search for information without patience, with reduced critical evaluation of information and without criteria for evaluating sources and information. Libraries have also always served as centers of information, or/and media literacy. The role of libraries in education and in research process is extremely important. Also, libraries play important role in institutional literacy programs and can lead and they lead such programs.