About the Doctor of Philosophy (PhD) Degree
The PhD in Sustainability engages scientists and leaders in research to investigate the urgent sustainability challenges of this century.
The flexible, interdisciplinary nature of the program allows students to focus on problems of interest to them, drawing upon relevant knowledge from a variety of disciplines.
Students may be admitted to the PhD program with either a bachelor’s or a master’s degree from a regionally accredited institution or the equivalent of a US bachelor’s degree from an international institution officially recognized by that country.
PhD graduates will have an advanced understanding of the dynamics of coupled socioecological systems and will be able to lead others in research and providing adaptive solutions to specific sustainability challenges. In addition to the common learning outcomes, PhD students will be able to:
- Understand the concepts and methods of a number of critical disciplines bearing on the sustainability of systems at different spatio-temporal scales.
- Lead others in applying these concepts and methods to developing sustainable strategies for water, land, air, and urban management at the local and global level.
- Lead others in the analysis and design of the built environment and institutions’ policies, regulations, and technologies to support sustainable development.
In addition, they will be able to research particular sustainability challenges and develop standard (transferable) skills, including the capacity to:
- Identify problems
- Formulate and test hypotheses
- Use statistical, econometric, and geographical-information-system techniques to construct and analyze datasets
- Build and apply models
100% Employment rate for doctoral alumniData is from School of Sustainability alumni survey respondents. Last updated Nov. 2014.
If admitted with a bachelor’s degree, students must complete a minimum of 84 semester hours. If admitted with a master’s degree, they must complete a minimum of 54 hours.
Requirements and Electives
|With a Bachelor’s Degree||Hours|
|Core and Challenge Area Courses:||21|
|Electives (400-level or 500-level) Of which, a maximum of 6 hours can be at the 400-level:||33|
|Total Semester Hours Required||84|
|With a Master’s Degree||Hours|
|Core and Challenge Area Courses:||15|
|Electives (500-level or higher):||12|
|Total Semester Hours Required
Core and Challenge Area Courses (21 hours)
Core courses will bring students together in an integrated learning environment to form a cadre of diverse backgrounds. They are designed to provide students with methods and theory appropriate to the study of sustainability. Students will explore the link between concepts of sustainability and systems approaches to knowledge, and will develop the integrative methods needed to work across the disciplines on sustainability problems.
- SOS 510 – Perspectives on Sustainability (Required for all students)
- SOS 598 – Introduction to Methods for Sustainability (Required for all students)
- SOS 512 – Sustainable Resource Allocation
- SOS 513 – Science for Sustainability
- SOS 514 – Human Dimensions of Sustainability
- SOS 515 – Industrial Ecology and Design for Sustainability or SOS 598 – Life Cycle Assessemtn for Civil Systems
- SOS 516 – Science, Technology, and Public Affairs or OS 518 – Uncertainty and Decision Making
- SOS 517 – Sustainability and Enterprise
Challenge Area Seminars
Challenge area seminars are designed to provide students with a strong substantive foundation (content knowledge, big theory, and big studies) of the main themes of the School.
- SOS 530 – International Development and Sustainability
- SOS 532 – Sustainable Urban Dynamics
- SOS 533 – Sustainable Water
- SOS 534 – Sustainable Energy and Material Use
- SOS 535 – Sustainable Ecosystems
- SOS 536 – Food System Sustainability
- SOS 591 – Legal Issues in Sustainability
- SOS 598 – Urban Ecological Systems
- SOS 598 – Sustainable Futures Studio
- SOS 598 – Urban Infrastructure Anatomy and Social Development
Solutions Workshops (6 hours)
Solutions workshops are listed under SOS 594 and are designed to provide students with experience solving real-world problems that involve multiple sustainability challenges. As such, they will be problem-based, and not specifically attached to one of the main themes.
Research and Dissertation (24 hours)
At least 12 hours of the approved PhD program must be SOS 792 Research and at least 12 hours must be SOS 799 Dissertation. Students may not apply semester hours earned for a PhD previously awarded at ASU or another institution. At least 30 hours (which may include research credit) of the approved PhD program and 12 dissertation hours must be completed after admission to a PhD program at ASU. A maximum of 12 dissertation hours is permitted on the Program of Study. After completion of the dissertation, the student must pass an oral examination in defense of the dissertation.
Elective Courses (33 hours)
Electives must be approved by a student’s supervisory committee. A list of additional sustainability-related courses at ASU outside of the School of Sustainability can be on the the Graduate Courses page.
When students have completed or are close to completing the coursework in an approved program of study, they may request permission to take the comprehensive examinations. PhD comprehensive examinations are administered by the student’s supervisory committee. PhD students achieve candidacy status in a letter from the Dean of the Graduate College after passing the comprehensive examinations and successfully defending the dissertation prospectus.
- SOS 792 – Research
- SOS 799 – Dissertation
Optional Concentration in Complex Adaptive Systems
Sustainability doctoral students can choose to pursue the Complex Adaptive Systems Science concentration, which is designed to train the next generation of scientists in advanced concepts and methods needed for approaching diverse phenomena in the social and life sciences. Students’ career opportunities will be enhanced by combining fluency in the common language of complexity with a solid foundation in the domain knowledge of existing academic disciplines. There is a growing need for scientists to be able to work and collaborate in an increasingly interdisciplinary context.
The concentration is integrated with diverse university-wide research and emphasizes the value of a complex adaptive systems perspective when seeking solutions to critical societal issues. Complex adaptive systems science is the study of interactive and dynamic systems that learn and change over time.
Complex system behaviors are often said to be emergent and subject to self-organization, which makes them more difficult to predict. Such examples can include studying the long-term changes in epidemics, land degradation, urban growth, and natural disasters and their resulting impacts. The concentration is open to students who have been accepted to doctoral programs in the School of Sustainability, the School of Human Evolution and Social Change, and the School of Life Sciences.
Fill out the supplemental application when applying.
The complex adaptive systems concentration is available in the following degree programs:
- PhD in Anthropology
- PhD in Applied Mathematics for the Life and Social Sciences
- PhD in Biology
- PhD in Environmental Social Science
- PhD in Global Health
- PhD in Sustainability
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