The course of environmental health is a branch of public health sciences which is related to all aspects of Natural and artificial environment that can effect on health and hygiene and welfare of the humanity. According to the World Health Organization (WHO) environmental health is systematic improvement, promotion and direction of criterias toward Modifying or controlling Human environmental factors (internal and external environment), that can have bad effect on physical, Spiritual and mental health and Community health by inventing diseases and illnesses. this definition is not only including factors related to Safety and health But also is related to the favorable conditions of the aesthetics of the environment, Conformity of requirements and expectations. In other wise creating discipline in health and hygiene pf humanity and environment and protecting them are among the activities of this major.

The graduates of this major Control the harmful effects of the pollutants or prevent their diffusion in environment By identifying harmful and polluting environmental factors through carrying out planning activities, projects, Supervision, Management and educational evaluation Based on scientific Criterions. Generally, the graduates of this major get the abilities to use these agents to protect and promote the level of health and hygiene of the society and solving the problems.