Ohio State’s Undergraduate Student Government is hosting its third annual Sustainability Fair on Monday, April 3. It’s from 10:30 a.m. to 2 p.m. in the Great Hall Meeting Room in the university’s Ohio Union, 1739 N. High St. in Columbus. Get info from and about some 40-plus environmental groups, see animals from the Columbus Zoo and Aquarium, enjoy free food, and more. Details here and here. It’s the first in a series of events planned for Ohio State’s Time for Change Week, April 3-9.