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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

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

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.

Power Challenge

Power 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.

Sustainability in the Knoxville Community- Virtual Panel Discussion Event

Virtual Panel Events

Due to the pandemic, virtual events engage students, staff, and the greater Knoxville community with sustainability efforts happening in the local area while keeping everyone involved safe and distanced.

Environmental Leadership Awards

Environmental Leadership Award

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

Sustainability Career Mingle

This joint effort with the Center for Career Development and Academic Exploration provides an opportunity for students interested in sustainability careers opportunities to meet with potential employers and other organizations.


Campus Race to Zero Waste- Formerly Recyclemania


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.