Webinar: A simple model that looks at the physical, ecological and social aspects of a fire system is presented and applied to forests in the western U.S. and the highlands of southern Mexico. The model can be used to clarify linkages among system drivers and to identify vulnerabilities and adaptive capacity. (This webinar, hosted by the FLN, was recorded via NetHope WebEx; go to https://nethope.webex.com/client/T27L/nbr2player.msi to download the playback software if needed.)