News February 27, 2023 Ahearn presents at Arizona State University SPARC Workshop on Digital Twins January 10, 2022 Charting Ground Zero the role of geospatial technology a retrospect of two decades past September 10, 2021 Esri Blog on 9/11 Response and Recovery October 19, 2020 CARSI Covid-19 model June 22, 2020 Ahearn presented at NAS Workshop on Geospatial Needs for a Pandemic-Resilient World