More and more farms could be under a roof. Meiny Prins, CEO and co-owner of the Dutch company Priva, presents “Do You Know the Green Belt? Sustainable Urban Agriculture in a Challenging World” from 10–11 a.m. Tuesday, May 21, on Ohio State’s campus in Columbus. The event is billed as an industry summit on controlled environment agriculture, a technology-driven way to produce food in greenhouses, buildings, grow rooms, and the like. Admission to the event is free, but attendees are asked to register in advance. There’s also a way to watch online. Find full details.