Skip to content Skip to main navigation Report an accessibility issue


Each year, the Office of Sustainability hosts a variety of annually recurring events and campaigns to help students and others learn how to Make Orange Green.

Arbor Day Celebration graphicArbor Day Celebration

Each year we celebrate both Tennessee Arbor Day and National Arbor Day. Tennessee Arbor Day is the first Friday in March and National Arbor Day is the last Friday in April.

Big Green Friday graphic

Big Green Friday

On Big Green Friday, we encourage everyone to exchange their orange outfits for green as a way to kick off Earth Month and support the university’s efforts to Make Orange Green.


Join the Office of Sustainability for Biketoberfest week. These events aim to build a sense of community among on- and off-campus cyclists. We hope to encourage cycling as an alternative mode of transportation by highlighting what UTK and the Knoxville cycling community have to offer.

Sustainability Day Symposium

Our Sustainability Day Symposium is a zero-waste event featuring students who have completed sustainability related research and projects. In addition, dozens of environmentally focused student and community organizations and departments, sustainability vendors and local artisans attend the event.

Environmental and Sustainability Career Mingle graphic

Environmental and Sustainability Career Mingle

This joint effort with Career Services provides an opportunity for students interested in environmental careers and volunteering opportunities to meet with potential employers and other organizations.

Earth Month graphicEarth Day Celebration

Here at UT, we take our Earth Months seriously—filling the days and weeks with events, activities, and programs promoting the work we do year-round to Make Orange Green. All sponsored events are environmentally friendly.

Environmental Leadership Awards graphicEnvironmental Leadership Awards

Each year, we recognize students, faculty and staff members, and outstanding members of the greater Knoxville community who help to Make Orange Green.

Power Challenge graphicPOWER Challenge

A UT tradition since 2005, the month-long Make Orange Green POWER Challenge is a way for the UT community to demonstrate its commitment to reducing the university’s environmental impact.

Campus Race to Zero Waste


Campus Race to Zero Waste is a yearly intercollegiate recycling and waste reduction competition held between nearly 200 colleges and universities.

Sustainability Day of Service graphicSustainability Day of Service

The Center for Leadership & Service, the Student Government Association and UTK’s Office of Sustainability partner together for UT’s annual sustainability focused day of service.