This study aimed to produce and to evaluate a curriculum for environmental education to support sustainable development programmes at an environmentally friendly Islamic boarding school (eco-pesantren). It is a development study with a model of area-based curriculum. The development stage includes analysis, design, develop, implementation, and evaluation. This curriculum has been implemented in 3 Islamic boarding schools (107 students). This curriculum contains curriculum foundations, learning outcomes, teaching materials, learning activities, and learning evaluations. The foundation of this curriculum includes philosophical, psychological, organisational, socio cultural, scientific and technological aspects. Teaching materials focus on the problems faced by students in everyday life. Learning activities include 2 stages (theory and practice). The results of this study indicate that it is a suitable curriculum for use in Islamic boarding schools with an eligibility percentage of 92% (very feasible category) based on aspects of consistency, relevance, effectiveness, completeness, continuity, correctness of content and language. The results of this study also show that this curriculum is practically used in Islamic boarding schools. The practicality of the curriculum is seen from the aspect of good communication, cooperation, sufficient time, and the ease of understanding the material.