Sources: Esri, Airbus DS, USGS, NGA, NASA, CGIAR, N Robinson, NCEAS, NLS, OS, NMA, Geodatastyrelsen, Rijkswaterstaat, GSA, Geoland, FEMA, Intermap and the GIS user community | Esri, TomTom, FAO, NOAA, USGS | This research was made possible with support from the Institute of Sustainable Solutions at Portland State University, and the James F. & Marion L. Miller Foundation. The authors also acknowledge the teams of volunteers from each of the study areas who carefully and dutifully completed their traverses and contributed to the positive outcomes and success of these projects. The authors further acknowledge GroundworkRVA in Richmond, the National Aquarium in Baltimore, Science Museum of Virginia, and the Department of Energy and Environment in Washington, D.C. for opening up their facilities for the volunteer training orientation sessions.