Peter Kareiva, chief scientist for The Nature Conservancy, will deliver Gonzaga University’s 28th annual O’Leary Lecture titled, “Rethink, Revitalize, and Rebuilding the Environmental Movement: A Call for Tolerance and Nontraditional Partnerships,” at 7:30 p.m. on Nov. 18 in the Cataldo Hall Globe Room on the Gonzaga campus.