Teaching in the 21st century is focused on learning for life and sustainable development. Lifelong knowledge, which is focused on education for sustainable development, could only be obtained with experiential learning, where students can come up with new knowledge through research and observation. Geography can bring many lifelong skills for students. Last years, the teaching of geography made great importance to education on environmental protection in nature itself. Therefore, this paper presents ecoremediation educational polygons in Slovenia. They are intended to offer young people the most authentic environment through direct experience in a real environment and in nature. On the educational polygons in real environments there are conditions for solving problems, while learning and doing research. Education on such polygons offers a great opportunity for young people to acquire practical knowledge, which can be used for effective decisions in life in relation to the environment
