The study was about some ecological variables related to psychological and Belongingness and Its  Impacts on social and psychological changes of two local populations in Bir al-Abed city- North Sinai and St. Catherine in the south Sinai where ecological relations have changed according to changing the basic occupation of the local population from grazing to other economic activities, The research used the Ecological Approach and research tools, including the questionnaire, case studies and reports. The study indicated a number of results: 1. Bothe of samples ware effected by dislocation of families because military operations and terrorists activities in their original places. 2. Both samples complained of the insufficient pure drinking water and accumulation of trash owning to the new consumers habits and features of civilization and losing green areas for different reasons. 3- A positive correlations was found in the environmental variables and belonging variables for the sample of north Sinai expect for the quality of environment was found for the South Sinai. One of the most important research recommendations: 1.Folowing the national planning of the sustainable development and solving problems such as poverty , unemployment and isolation. 2.Provid a quality of life that meats the student basic needs and a chance for better future. 3. The important of national media messages which reflect unfair image about Sinai people.