There is a general understanding that many medical conditions are caused by factors present in the natural or artificial environment. Environmental health programs intend to prepare students to investigate these correlations and provide insights based on these systematic investigations.

Due to the numerous countries within Oceania, work occasions and work permit laws differ greatly, with data on opportunities in some nations being limited. Australia and New Zealand are the most advanced countries in the area.

A bachelor's degree is given to students who fulfill the necessary requirements given by the college or university they are attending. The requirements include three to seven years of focus on a subject, typically referred to as a major or concentration.