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Sustainability Master’s Degree Program

Learn to evaluate and design viable solutions to help build a more sustainable future.

  • Online Courses

    11 out of 12 total courses

  • On-Campus Experience

    1 weekend or one 3-week summer course

  • Tuition

    $3,440

  • Next Start Term

    Fall 2025

Program Overview

Organizations around the globe — corporate, nonprofit, governmental, and consulting — are committing to environmental action. And practitioners with specialized knowledge are increasingly needed to overcome diverse challenges in implementing more sustainable practices.

In our Sustainability Graduate Program, you’ll build the expertise you need to take on such critical roles. Through engaging coursework and either a thesis or capstone, you’ll:

  • Learn to ideate and develop innovative, practical, and equitable solutions to the challenges posed by climate change and environmental threats.
  • Cultivate a mastery of the science, policies, technologies, and financial models that define sustainability.
  • Gain confidence in your analytical research skills and build leadership and communication competencies to serve you in any professional setting, from corporate to grassroots.
  • Graduate with a Harvard University degree: Master of Liberal Arts (ALM) in Extension Studies in the field of Sustainability.

Courses

The 12-course Sustainability Graduate Program is designed to help you develop practical skills that you can apply immediately in your career. You can study part time, choosing courses that fit your schedule and align with your professional goals. Core courses focus on learning research methodologies and building sustainability-specific skill sets around development, design, and management. Our comprehensive selection of courses enables you to tailor your program to your personal or industry-specific interests.

Example Courses

  • Leading with Ethics: Professional Practices for Sustainable Development
  • A One Health Approach to Global Sustainable Development
  • Tracking Sustainability Performance: Analytical Approaches and Challenges
  • Life Cycle and Supply Chain Sustainability Assessment
  • Water Resources Policy and Watershed Management

Earn a Stackable Certificate

As you work your way toward your master’s degree, you can take courses that also count — or “stack” — toward a graduate certificate. It’s a cost-effective, time-saving opportunity to build specialized skills and earn more professional credentials.

For each certificate, you can choose courses that best fit your goals.

Stackable graduate certificates include:

Admissions

The path to your degree begins before you apply to the program. You’ll earn your way in through our performance-based admissions, completing the following coursework and earning credits toward your degree right away:

  • Introduction to Graduate Studies in Sustainability and Development Practice
  • Quantitative Research in Sustainability

You also have the option to pursue an alternative admission pathway: the MITx MicroMasters® Program Pathway.

How “Earn Your Way In” Works
Proseminar Course Spotlight
Quantitative Research in Sustainability Course Spotlight

Next Start Term

You can enroll in your first admission course this fall. Course registration opens July 21.

Career Opportunities & Alumni Outcomes

Graduates of our Sustainability Master’s Program work in the fields of transportation, hospitality, renewables, public policy, biotechnology, civil engineering, venture capital, and more. Some alumni continue their educational journeys and pursue further studies in other nationally ranked degree programs, including those at the University of Birmingham, New York University, University of Edinburgh, Georgetown University, Bar-llan University, University of Zurich, Tufts University, Cornell University, and Harvard University’s T.H. Chan School of Public Health.

Our alumni hold such titles as:

  • Senior Manager of Corporate Sustainability (Fortune 100 Corporation)
  • Advocate for Clean Energy Transmission (US Government Agency)
  • Consultant of Climate & Sustainability (International NGO)
  • International Climate Researcher (International Consulting Firm)
  • Program Director of Land Management (US-based NGO)
  • Communications Director of Energy and Environment (International News Agency)
  • CEO/Founder of Sustainable Investments Start-up
  • Owner of Real Estate Development Firm

Our alumni work at a variety of leading organizations, including:

  • Aetna
  • Bank of America
  • FedEx
  • GE
  • The Nature Conservancy
  • Trip Advisor
  • United Nations

Program Benefits

Teacher speaking to class.

Experience a rigorous curriculum. 97% of recent graduates would recommend the program.

Two people talking at a table.

Access career advising and other services through Harvard’s Mignone Center for Career Success.

Lightbulb on a computer monitor.

Explore entrepreneurial opportunities through the Harvard Innovation Labs.

Lightbulb in a hand.

Complete an in-depth thesis or capstone project.

Three hands together.

Student community through the Harvard Extension School Environmental Club.

Graduation cap and diploma.

Become a member of the worldwide Harvard Alumni Association (400,000+ members) and Harvard Extension Alumni Association (29,000+ members).

Anastassia Nefedova.

The support I received at HES laid the foundation for my company... access to a school like Harvard was not something I thought would happen in my lifetime. Yet, HES made it possible, not just to study but to grow in ways I never anticipated.

Anastassia Nefedova

Master of Liberal Arts (ALM) in the field of Sustainability, '24

Tuition & Financial Aid

Affordability is core to our mission. When compared to our continuing education peers, it’s a fraction of the cost.
After admission, you may qualify for financial aid. Typically, eligible students receive grant funds to cover a portion of tuition costs each term, in addition to federal financial aid options.

Learn more about the cost of attendance.

FAQs

How Long Does It Take to Complete the Sustainability Graduate Program?

Program length is ordinarily anywhere between 2 and 5 years. It depends on your preferred pace and the number of courses you want to take each semester.

For an accelerated journey, we offer year round study, where you can take courses in fall, January, spring, and summer.

While we don’t require you to register for a certain number of courses each semester, you cannot take longer than 5 years to complete the degree.

What Can You Do With a Master’s Degree in Sustainability?

With a master’s degree in sustainability, you’ll gain the knowledge and flexibility to advance your career while positively impacting the environment.

You might choose to help your organization reduce its carbon footprint, design environmentally friendly products, understand the green needs of communities, or develop a more sustainable supply chain. You could also help ensure ethical corporate governance or help build capacity in local and state governments to adapt to climate change. For more details, read our blog post What You Can Do with a Master’s in Sustainability.

If you’re interested in working on sustainability at a global level, a focused program on global development practice may be beneficial. Read our blog post Sustainability vs. Global Development Practice — Which One is Right for You?.

Is a Degree in Sustainability Useful?

A graduate degree in sustainability allows you to pursue your passion while bringing about positive change. Careers in sustainability are rarely linear, meaning you can create your own path. And as you likely reinvent yourself over the course of your career, a graduate degree in sustainability equips you with the tools to make those shifts.

You may want to bring sustainability to a specific industry you know well, such as fashion or finance. Or, you could apply your unique skills — such as urban planning, eliminating packaging waste, or food sustainability — to one of many industries.

Is a Career in Sustainability a Smart Choice?

As the fight against climate change and other environmental threats grows more urgent, governments at every level, nonprofits, and businesses increasingly need employees with green skills and expertise.

Adding a master’s in sustainability to your resume may give you a competitive advantage in this job market — while helping you play a vital role in keeping our planet healthy.