Dr. Sarah Evans, assistant professor in the Department of Geological and Environmental Sciences at Appalachian State University, is shown at the Toolik Field Station located on Alaska’s North Slope in 2019. Photo courtesy of Dr. Sarah Evans Dr. Sarah Evans, assistant professor in the Department of Geological and Environmental Sciences at Appalachian State University. Grant project collaborators Dr. Sarah Evans, assistant professor in the Department of Geological and Environmental Sciences at Appalachian State University.