The climatic and cultural history of El Niño in Ancient Peru will be the focus of the 17th annual Geddes W. Simpson Lecture at the University of Maine on Sept. 19. Daniel Sandweiss, a UMaine professor of anthropology and climate studies, will give a lecture titled “Climate, Catastrophe, Collapse? Using Climatic and Cultural History to read more Annual Simpson Lecture to focus on climatic, cultural history of El Niño in Peru