Credits required
45 Oregon State University is on a quarter-term system. There are four quarters each year and classes are 11 weeks long. This program's 45 quarter credits are equal to 30 semester credits.
Cost per credit
$560 Cost per credit is calculated using tuition per credit for the current academic year. It does not include associated fees, course materials, textbook expenses, and other expenses related to courses.
Online You can complete all or nearly all requirements of this program online. View the curriculum.
Start terms
4 per year

M.S. in Environmental Sciences – Online

M.S. curriculum

Gain a deeper understanding of the scientific process, and learn to identify and evaluate interactions between humanity and nature while contributing to a generation of new knowledge in Oregon State’s online M.S. in Environmental Sciences program.

The engaging, master’s-level coursework is designed for individuals who are interested in furthering their studies in environmental sciences, whether to work as a scientific researcher for a government agency or other entity or to prepare for a Ph.D. program and a career in academia.

Thesis and non-thesis options

This program will require you to complete a research thesis or non-thesis project report. Learn more about the thesis and the project report guidelines.

For working professionals who would prefer to further their careers with a science-only degree, the M.S. non-thesis option provides a streamlined way for you to incorporate a project rather than an internship into your current place of employment.

Degree requirements

The M.S. program includes 45 credits of interdisciplinary coursework in environmental sciences across most academic units at Oregon State. Graduate certificates may be pursued in conjunction with the PSM ENSC degree based on your area of concentration and interest.

View the program curriculum requirements on OSU's academic catalog or in greater detail on the environmental sciences graduate program website.

Specialization tracks

Using your research interests as a guide, select a track that will give focus to your studies. These areas of concentration consist of at least 21 credits. Choose courses listed within one of the following eight tracks:

  • Biogeochemistry
  • Climate change
  • Ecology
  • Environmental education
  • Natural resources
  • Quantitative analysis
  • Social science
  • Water resources

Sample course topics

  • Environmental perspectives and methods
  • Environmental analysis
  • Experimental design
  • Geographic information systems
  • Statistical analysis
  • Scientific research in chosen area of concentration
  • World views and environmental values


For more information about the M.S. program curriculum, please contact Carolyn Fonyo, the director of OSU's environmental sciences graduate program, at or 541-760-4196.


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