Drawn from this study that the environmental knowledge of university students are considered good , and that is the most important of these knowledge: Internet , followed by television . The study consisted of a sample of university students at Ain- Shams University , consisted of ( 200 ) students (Female- Male) distributed (2) College (Theoretic- practical) , this study belong to descriptive studies that based on analytical and social survey methodology . The researches depend on a questionnaire for university youth that participate in the congregation service and public form and strolling team in each faculty . This field study were confirmed the reality of study society , and identify the environmental knowledge  , and trends for them, and the results show that there is great diversity in the problems faced by young people in order to protect the environment and the promotion of , and its development, and these problems may be the result of the State or the university, or family, or friends, and the role of the youth in the community development process is not commensurate with the expected role assigned to it, that has found many obstacles facing Youth and hindered from performing their role to the fullest, have been developed for the rational development of the local community environmentally social policy. and there are many beyond their control problems, which reaches them to a sense of helplessness and failure, , and the collision the old ideology and anti- development and innovation. It is clear that the extent of the apparent lack of both the state and its various institutions or individuals, in an attempt improve environmental protection and community development, and incapacitate young people to achieve this, the demolition of ambition and dreams, which may reflect the extent of the needs of this category of within the rest of Egyptian society, Which requires the presence of several mechanisms that enable young people to participate in local community development.