Travis Mills receives a doctoral hood in sustainable science Saturday from Unity College President Melik Peter Khoury during the college's commencement ceremony in Unity.

Unity College graduates approach Tozier Gymnasium on Saturday in Unity.

Family members of a Unity College graduate capture the moment Saturday in Unity.

Unity College graduates march on Saturday to Tozier Gymnasium for their commencement ceremony at the college in Unity.

Travis Mills hitches a ride Saturday to the Unity College graduation ceremony in Unity. Mills received an honorary doctorate in sustainability science.

Travis Mills gives a speech to the 2019 graduating class after receiving an honorary doctorate in sustainable science Saturday at Unity College in Unity.

Unity College graduates march to the Tozier Gymnasium for commencement ceremonies at Unity College in Unity, ME., on Saturday, May 10, 2019. (Morning Sentinel photo by Michael G. Seamans/Staff Photographer)

Travis Mills, center, stands for a group picture Saturday with faculty and staff members of Unity College in front of the Collaborative Learning Center at Unity College in Unity. Mills received an honorary doctorate in sustainability science during the college's commencement ceremony.

Travis Mills gives a speech Saturday to the 2019 graduating class at Unity College after receiving an honorary doctorate degree in sustainable science at the college in Unity.

Travis Mills waits for Unity College's graduation Saturday in the wings of the Collaborative Learning Center at Unity College, with Unity College President Melik Peter Khoury, right foreground, in Unity. Mills received an honorary doctorate in sustainability science during the college's commencement ceremony.

Unity College graduate Sue Dube battles with the wind to keep her mortarboard on her head before the college's commencement ceremony in Unity.