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 nearly all courses in this program online, with one or a few site-based courses required. View the curriculum.
Start terms
4 per year

Professional Science Master's in Environmental Sciences – Online


The Professional Science Master’s in Environmental Sciences program is offered as a non-thesis degree program only. You will have an advisor and graduate committee to review your program of study, provide career and internship advice, and evaluate a final report and defense based on the internship or project experience.

45-credit master's program online

The program includes coursework in environmental sciences as well as courses from other academic units on campus. Graduate certificates may be pursued in conjunction with the PSM ENSC degree, based on area of concentration and interest. Visit OSU's General Catalog for the program's complete curriculum requirements.

Environmental sciences core (7 credits)

  • Environmental Perspectives and Methods (3 credits)
  • Environmental Analysis (3 credits)
  • Workshop (1 credit)

Environmental sciences tracks (10-12 credits)

Tracks, or areas of concentration, give focus and identity to your curriculum and allows for flexibility in response to changing employment demands. You will choose courses listed within one of nine current tracks:

  • Biogeochemistry
  • Ecology
  • Environmental Education and Science Communication
  • Natural Resources / Sustainable Food and Energy Systems
  • Quantitative Analysis / Environmental Data Sciences
  • Social Sciences
  • Water Resources
  • Climate Change
  • Sustainable Business / Environmental Entrepreneurship

Track curricula will be provided upon request.

Numerical skills (6-8 credits)

Example courses:

  • Algorithms and Data Structures (4 credits)
  • Database Management Systems (4 credits)
  • Research Methods in Social Science (4 credits)
  • Quantitative Analysis in Social Science (4 credits)
  • Geographic Information Systems (4 credits)
  • Oceanographic and Atmospheric Data Analysis I (4 credits)
  • Introduction to Mathematical Statistics (4 credits)

Business core (6 credits)

The course work in the professional core enables you to serve as a liaison between the scientific and business communities in industry, consulting, NGOs and government.

  • Managerial Decision Tools (3 credits)
  • Creating Value in Exchange (3 credits)

Business and professional electives (8 credits)

Expand your business training in alignment with a particular area of interest with two or three professional elective classes.

Example courses:

  • Project Management for Environmental Scientists (4 credits)
  • Environmental Decision-Making (4 credits)
  • Leadership (3 credits)
  • Innovation Management (3 credits)
  • Interpersonal Communication (3 credits)
  • Bargaining and Negotiation (3 credits)
  • Ecological Policy (3 credits)
  • Environmental Law and Business (3 credits)
  • Design for Environment, Safety, and Health (3 credits)

Internship (6 credits)

Internships can take place in a variety of venues, including but not limited to: environmental consulting or engineering firms; industry; businesses involved in land-use planning; NGOs; global organizations; governmental agencies in the public sector such as the U.S. Environmental Protection Agency; the U.S. Forest Service; the U.S. Department of Agriculture; and the Bureau of Land Management.

During your internship, you will become aware of the costs of protecting resources, career opportunities in the field of environmental sciences, management and policy, and the breadth of the environmental industry in today’s business world.

Your PSM advisor and graduate committee will help define specific objectives for the proposal and help identify potential internship opportunities. However, it is your responsibility to formally initiate the internship with an industry supervisor.


Notice: Oregon State University students may now take part in internships anywhere in the United States. Read more about Ecampus’ authorization to operate in your state.

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