f150954c__S__Bureau_of_Labor_Statistics__Job_Duties
[Occupation] Environmental Engineers [ENTRY-LEVEL EDUCATION] Bachelor’s degree [2012 MEDIAN PAY] $80,890 [Job Duties] 
Environmental engineers use the principles of engineering, soil science, biology, and chemistry to develop solutions to environmental problems. They are involved in efforts to improve recycling, waste disposal, public health, and water and air pollution control.
Environmental Science and Protection Technicians : Occupational Outlook Handbook : U.S. Bureau of Labor Statistics