Master of Environment and Sustainability - Faculty of Science
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Create Real-World Solutions
Turn your passion for the environment into an impactful, meaningful career
Create Real-World Solutions
Turn your passion for the environment into an impactful, meaningful career
Master of Environment and Sustainability
In one year, you’ll gain the knowledge, skills and professional experience needed for today’s rapidly evolving environment and sustainability sector.
Top 15
in the world for sustainable development
(Times Higher Education Impact Rankings 2025)
50+
employers offering co-op positions
(2024-2025)
600+
MES alumni across Canada and beyond
The MES Advantage
Graduate in 12 Months
With 8 months of coursework and 4 months of industry co-op experience, you'll be ready to launch a high-impact environment and sustainability career in just one year.
Real-World Work Experience
Transform your skills in a professional setting through a co-op term in government, consulting, NGOs, academia or the private sector.
Strengthen Career Skills
Be career-ready by building high-demand skills in sustainable development tools, environmental planning and management, environmental analysis, consulting and more.
Take the Next Step in your Environment and Sustainability Career
Apply to the MES Program today!
Domestic and Permanent Residents
Alumni Spotlight
Lela Burt
MES '24
"The MES program combines interdisciplinary learning with real‑world experience through its co‑op opportunities and community‑focused projects. Its emphasis on environmental work, Indigenous allyship and meaningful engagement equipped me with the skills and hands-on experience to create sustainable change in my career."
Latest News
Every dollar counts: Western’s sustainable procurement program wins global award
Teaching Indigenous Perspectives and Allyship
Indigenous learning is an integral component of the MES program. You'll gain an understanding of the historical and ongoing impacts of racism on Indigenous Peoples and develop commitments and allyship principles to foster meaningful and respectful relationships.