Today, there is a tremendous knowledge and technological explosion that forces the educational system to prepare qualified individuals with the skills and attitudes necessary to live there. Among the most prominent of these skills and trends is environmentally responsible behavior and environmental awareness, since most contemporary environmental problems such as water, soil and air pollution are mainly due to man's bad behavior towards the environment (Oskamp, 2000)   One of the most important variables that focus on their development at present is the students' behavior of environmental sustainability, which includes a set of actions and behaviors by the individual aimed at protecting the safety of the social and physical resources of the planet. When individuals with an interest in environmental protection participate in such actions, they create conditions that allow for more equitable use of natural, economic and social resources; their consumption of these resources is moderate. Moreover, individuals who have an interest in protecting the environment help and care for others who are in need.   To develop the behavior of environmental sustainability among students, the best entries is to be engaging students in positions of real life in which students practiced in a practical behavior of natural and social environmental protection, perhaps among the most important entrances education prevailing at the time and working to promote a sense of students' responsibility towards the community is assigning students to the work of learning projects include the community in a real and realistic, especially in the teaching of social sciences   Service-learning projects and is one of the kinds of learning experience Experiential learning Clougherty, 2009)), which works on the development of knowledge products such as academic achievement and innovative thinking Terry, 2003)). It also develops other emotional variables   The current research is a continuation of previous research in this area by addressing how service learning projects affect the development of environmental sustainability behavior among a sample of secondary school students in Kuwait.