Sophomore Gradyn Dowling (left), who works for outdoor recreation services, tunes up senior James Larson's bike during a free pop-up event celebrating campus sustainability month Oct. 8 south of Horticulture Hall. The Live Green initiative's next pop-up event is Oct. 15 (11 a.m.-1 p.m., Beyer Hall south lawn); the focus is on food security. Photo by Christopher Gannon.