
History and Evolution
From Maine-Based Education to Global Sustainability Leadership
For 60 years, Unity Environmental University has served as a solutions-driven partner for individuals, businesses, industries, and the world by tackling the most pressing environmental challenges. Our unique enterprise model blends cutting-edge sustainability expertise with workforce-ready training, ensuring that individuals who choose Unity stay ahead in a rapidly evolving world.
Our Evolution: Innovation in Action
The Beginning of Unity
Combating economic decline in Unity, ME, the Unity Institute of Liberal Arts and Sciences is founded. A gift of 180 acres provides the school’s location.

A New Name
The Institute is renamed Unity College to reflect an evolving mission and growing academic offerings.

Degree-Granting Status
The Maine State Legislature grants degree-granting authority. First graduating class of 24 students receives their diplomas in 1969.

Accreditation and Environmental Focus
The institution gains accreditation from NEASC (now NECHE) and formally adopts an environmental science focus.

Innovative Experiential Education
Unity introduces experiential learning, replacing traditional orientation with outdoor problem-solving activities.

Defining an Environmental Mission
Unity formally adopts a mission statement focused on producing environmentally competent professionals.

Solar Panels from the White House
Thirty-two solar panels arrive at Unity from the White House. Sixteen are refurbished and placed atop the cafeteria, where they heat water for more than a decade.

National Engagement and Growth
Unity hosts the North American Alliance for Green Education conference.

Leadership Recognized
The EPA recognizes Unity’s service-learning program, elevating its reputation in environmental education.

A Push for Renewable Energy
Unity returns White House solar panels to Washington, D.C., as part of an awareness campaign for clean energy.

Historic Fossil Fuel Divestment
Unity is the 1st U.S. college to divest fossil fuels from its endowment portfolio. A $10 million donation funds TerraHaus, the 1st Passive House-certified residence hall in the U.S.

Enterprise Model
Unity implements an Enterprise Model, creating Sustainable Education Business Units (SEBUs) for greater adaptability.

A Gift and Strategic Growth
Unity receives the AGB John W. Nason Award for innovation and exemplary financial stewardship. A gift of Sky Lodge in Moose River, ME, expands immersive education experiences.

The Path Forward
Unity adopts a strategic plan focused on 2025 charting real-time responsiveness to industry trends and environmental challenges.

Resilience During the Pandemic
Hybrid Learning with a 5-week term structure launches. Tuition is lowered for graduate programs to increase accessibility. Virtual Forest XR technology is developed.

Expanding Access
Enrollment doubles to 1,800+ students despite national declines. Unity receives a $360,000 USDA grant to expand distance learning.

Record Enrollment and Partnership
Enrollment surpasses 4,600, with students coming from all 50 states. Unity partners with the Ocean Conservancy to create an Ocean Justice micro-course.

Brand Evolution
Unity officially rebrands to Unity Environmental University as enrollment exceeds 7,500. Hosts first-ever virtual Environmental Career Expo with 60+ employers worldwide.

Sustainability Inside and Out
Launches Unity at Pineland and freezes tuition through 2030 to ensure access. Minimum annual salary for full-time Maine-based employees increases to $50,000.

Pioneering the Future
Unity becomes the first U.S. university to launch Salesforce’s AgentForce AI and debuts the Learning Market, a revolutionary online storefront for courses.

University Presidents
- Dr. Melik Peter Khoury, President of Unity Environmental University, 2016 – present
- Dr. Stephen Mulkey, President Emeritus 2011 – 2015
- Dr. Mitchell Thomashow, President Emeritus 2006 – 2011
- Dr. David Glenn-Lewin 2001 – 2005
- Mr. Wilson Hess 1990 – 2000
- Dr. James Caplinger 1984 – 1989
- Dr. Lou Wilcox 1980 – 1983
- Dr. Ralph Conant 1979 – 1980
- Dr. Allan B. Karstetter 1972 – 1978
- Mr. Larry Reichel 1970 – 1971
- Dr. Clair Wood 1967 – 1970