Credits required
180 Oregon State University is on a quarter-term system. There are four quarters each year and classes are 11 weeks long. This program's 180 quarter credits are equal to 120 semester credits.*
Cost per credit
$366 Based on current tuition rates. No additional charge for nonresident students. Does not include course materials and associated fees and expenses.
Online You can complete all or nearly all requirements of this program online. View the curriculum.
Start terms
4 per year

B.S. Environmental Sciences – Online


Your experience as an Oregon State's environmental sciences student will supply you with a rigorous education that can lead to helping to resolve some of today's most challenging scientific and policy issues, including climate change, pollution, biodiversity conservation, sustainability and balancing resource use and preservation.

Dawn Marie Gaid, OSU Ecampus environmental sciences academic advisor

Environmental sciences academic advisor Dawn Marie Gaid is well-known and well-liked for being a tireless advocate for OSU Ecampus students. Read more »

Degree requirements

A minimum of 180 quarter credits — at least 60 of which must be upper-division credits — are required to graduate with your bachelor's degree in environmental sciences, including:

Honors degree online

As an undergraduate degree-seeking student, you can apply to earn an honors degree online in your academic major. Earning this prestigious degree gives you the opportunity to collaborate with faculty on research, complete a comprehensive thesis experience and engage in co-curricular activities.


You can tailor your program studies to align with your interests and career goals by selecting an option.

Sample course topics

  • Natural resources and community values
  • Environmental law
  • Oceanography
  • Geographic information systems and theory
  • Sustainability for the common good
  • Urban forestry
  • Technology, energy and risk
  • Climatology
  • Fish and wildlife conservation
  • Ecology
  • Watershed management
  • Water science and policy
  • Environmental geology

To view the environmental sciences major requirements, please visit Oregon State’s official academic catalog. For additional information about the baccalaureate core, please visit our bacc core details page.

Additional program features

Accelerated Master's Platform

Get a jump-start on your M.S. or PSM in Environmental Sciences degree while working toward your undergraduate degree in environmental sciences. Through Oregon State’s Accelerated Master’s Platform, current undergraduate environmental sciences students can take graduate-level courses online that will be applied to their bachelor’s degree, and the credits earned will be transferred to the M.S. or PSM in Environmental Sciences program. Students enrolled in Ecampus graduate courses will pay the graduate tuition and fees rate.

Compare environmental sciences with other OSU online programs

Check out this degree comparison table to evaluate how environmental sciences compares to fisheries and wildlife sciences, rangeland science, natural resources and other similar online programs. The environmental sciences degree focuses on a strong foundation in math and science and on hands-on field research; as a result, the traditional science coursework requirement is considerable.

Be prepared for math. In order to succeed in the degree program, students must pass and be proficient in fundamental mathematics, including calculus. We encourage students to complete their math requirements prior to starting this program.

Transfer credit

Some of the degree requirements can be transferred from other colleges and universities. Please note that a minimum of 45 credits of the last 75 must be completed at Oregon State (online or on campus) to meet the academic residency requirement.

Previously earned credits will need to be reviewed upon admittance to OSU for appropriate articulation. Additional information about transferring credits is available through OSU’s Transfer Credit Central.

Add a minor

Oregon State Ecampus students have the ability to add a minor to their degree program. Oregon State offers a diverse selection of minors online. For example, combine environmental sciences and a business, chemistry, U.S. history, or anthropology minor to create an even more powerful résumé fit for today's job market.


Notice: Oregon State University students may now take part in internships anywhere in the United States. Read more about Ecampus’ authorization and compliance.

Related stories

Which environmental degree should I choose?

Explore what makes each of Oregon State's environmental online bachelor's degrees unique and learn about the skills you'll gain when you enroll in a program online.

Environmental sciences online master’s program yields career rewards for graduate  

When she retraces the path that led to her current role as an environmental analyst for local government, Kaitlin Thurman points to four ways Oregon State Ecampus and its environmental sciences master's program helped make her dream a reality.

A biological, cultural approach to conservation begins at home – and online

Cayla "La" Crivello wanted to find a way to impact her community without having to leave it. What she found was Oregon State University Ecampus and an environmental sciences degree that she could complete without having to leave Hawai'i. And now? She's engaging with her...