1). Environmental education for children at early ages (for school children, starting from the age of primary school student, up to junior high school student). 2). Summer course for university students (from Indonesia and from outside Indonesia). This summer course in GWEF is integrated with visit and study in National Parks nearby GWEF which constitutes the biodiversity center of tropical rainforest. 3). Outbound trainings which are conducted in the territory of GWEF and are followed by various group of people, for instance students, private company employees, civil servants, etc.