Mark Stewart, director of the University of Newcastle, Australia’s Centre for Infrastructure Performance and Reliability, presents “Climate Change Risk Assessment: Is Adaptation a Workable Solution to Climate Change?” from 3:30-5 p.m. on Thursday, Sept. 8, at Ohio State’s Mershon Center for International Security Studies, 1501 Neil Ave., in Columbus. He’s a visiting scholar at the Mershon center. Details and a link to register here.