Credits required
18-20 Oregon State University is on a quarter-term system. There are four quarters each year and classes are 11 weeks long. This program's 18-20 quarter credits are equal to 12-13.33 semester credits.*
Cost per credit
$560 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
3 per year

Graduate Certificate in Urban Forestry – Online


The online Graduate Certificate in Urban Forestry relies on the expertise of many different Oregon State faculty members who teach elective courses that add depth and breadth to your academic experience.

As part of your program, you can take Ecampus classes that are taught by faculty in the Department of Forest Ecosystems and Society; Department of Fisheries, Wildlife, and Conservation Sciences; College of Earth, Ocean, and Atmospheric Sciences; and many other disciplines. They will prepare you to handle a broad range of urban forest management issues.

Program leader

Paul D. Ries, Ed.D.

Paul D. Ries, MS, program leader, OSU Graduate Certificate in Urban Forestry

Dr. Ries has more than 35 years of urban forestry experience at the local, state, national, international, nonprofit and academic levels. He has been involved with a number of innovative urban forestry education initiatives, including the Community Tree Management Institute, the Municipal Forestry Institute, Tree Board University and the new Sustainable Green Communities Leadership Institute.

He is a past recipient of the OSU Vice Provost’s Award for Excellence in Innovation – Online Credit Teaching for his efforts at OSU. He has been an International Society of Arboriculture (ISA) Certified Arborist since 1988, and has served on the ISA Board of Directors, including a term as president of ISA in 2017-18.


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