In August, Dan Sandweiss lectured ​on​ “El Niño y la arqueología de la costa peruana” at Universidad Nacional Pedro Ruiz Gallo, Lambayeque, Peru and at Universidad Nacional Mayor de San Marcos, Lima, Peru. The professor of anthropology and climate studies was an invited participant to an October workshop on “Collapse! What Collapse? Societal adaptations to read more Sandweiss lectures in Peru, U.S., Chile and co-authors studies