The environmental literacy of future educators is a significant prerequisite for successful and quality work in environmental education and sustainable development in preschools. An environmentally literate person has sufficient awareness, knowledge, skills and attitudes to understand the relationships of people and societies with each other and with natural systems and how to do it in a sustainable way. The theoretical part of the paper will describe significant concepts of response and education for the environment and sustainable development, and the development of educator education in the field, and the emergence of environmental literacy and presented significant research. The results show that students are sufficiently informed and most students are familiar with local and global environmental / sustainable development issues. Also, future educators have a positive attitude about the environment, but have negative experiences in the environment, that is, they do not behave in accordance with their attitudes. For the purpose of the research, a measuring instrument of surveys was used and research was conducted on students to future pre-school educators. The purpose and goal of this paper is to present the environmental literacy of undergraduate students of early and pre-school education in Rijeka. The results show that students are sufficiently informed and most students are familiar with local and global environmental / sustainable development issues. Also, future pre-school educators have a positive expression of the environment but do not behave in the environment in accordance with their attitudes. The results will serve as possible guidance in the design of content for the education and study programs of future educators.