Bill McKibben will bring his message of global grassroots climate justice to the Albright-Knox Art Gallery on Friday.
McKibben's talk "The Desperate Climate Fight: Ordinary People in an Extraordinary Movement" is scheduled to begin at 8 p.m. Friday at the art gallery.
The humanities festival is a three-day event that starts Thursday.
Sponsored by the Humanities Institute at the University at Buffalo, the festival features environmental discussions along with musical performances.
Tickets for McKibben's talk are $20 for the general public and $15 for students. They are available online at the festival's website.