George’s research focuses on the behavioral ecology of lizards in the US southwestern deserts and the urban ecology of sloths in Suriname. Prior to retirement, he taught a variety of courses that included Animal Behavior, Ecology, Intro Biology, and Science & Public Policy. He is currently active in the development and implementation of the Ecological Society of America’s Four-Dimensional Ecology Education (4DEE) Framework (esa.org/4dee/), is a Co-PI for the EcologyPlus Program (ecologyplus.esa.org) and serves as chair of the Board of Directors of the Organization for Tropical Studies (tropicalstudies.org).