Take Your Sustainability Career Further with Harvard’s Flexible Online Programs.
Advance your career with expert-led courses in sustainability. At Harvard Extension School, you’ll gain the technical expertise, leadership skills, and systems-thinking approach needed to create meaningful change in your field.
Graduate Degrees and Certificates.
Online. Part-Time.

Master's Degrees
Graduate Certificates
Open New Doors with Harvard Supporting You
They hold titles such as:
- Senior Manager of Corporate Sustainability
- Advocate for Clean Energy Transmission
- Consultant of Climate & Sustainability
- International Climate Researcher
- Program Director of Land Management
- Communications Director of Energy and Environment
Harvard, On Your Terms
At Harvard Extension School, we put your goals and priorities first. You’ll find learning opportunities that are accessible, flexible, and designed for impact.
- Expert Faculty
- Earn-Your-Way-In Admissions
- Flexible Formats
- Professional Network
Our instructors have deep expertise in cutting-edge topics like sustainable development, renewable energy, decarbonization, and climate adaptation. They bring a genuine passion for teaching, with students giving our faculty an average rating of 4.5 out of 5.
Get a head start on your degree: you’ll complete two foundational courses before submitting your application. Success in these courses prepares you for success in the program.
Pace your studies to fit your schedule. Complete most of your degree courses online, and experience Harvard in person during an immersive on-campus course.
Learn and engage with high-achieving peers, and join the 400K+ members of the Harvard alumni network upon graduation.