Documentary filmmaker Celine Cousteau, the granddaughter of French ocean explorer Jacques Cousteau, will speak to Unity College graduates at Saturday’s commencement exercises.

A total of 146 students are expected to graduate. The ceremony is at 1 p.m. at the college’s Tozier Gymnasium.

Cousteau is a “rising star among nature documentary filmmakers and conservation advocates,” according to a news release announcing her selection as the keynote speaker.

She is the founder and executive director of CauseCentric Productions, a non-profit organization that produces short films on environmental and cultural issues and has worked on other documentary work including films and television series that have aired on PBS, CBS and the Discovery Channel.

In 2011 Cousteau created Ocean Inspiration, a two-day event in New York City and Washington, D.C., that was a tribute to her grandfather as well as a “call to action to protect our oceans,” according to the event’s website.

Unity College has an undergraduate student population of around 550 students and emphasizes the environment and environmental conservation in it’s curriculum.

At graduation students will wear graduation gowns made of 100 percent recycled plastic bottles by the company Green Weaver, according to the news release.

Other scheduled speakers include college President Stephen Mulkey; Bruce Nickerson, chair of the Unity College Board of Trustees; Melik Peter Khoury, executive vice president; Michael Evans, provost and vice president for academic affairs; and Sarah Cunningham, assistant professor and director of the Center for Experiential and Environmental Education.

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