Graphic showing Global map of documented tree mortality events related to drought and hotter temperatures. Events taken from Allen et al. 2010, IPCC 2014, Allen et al. 2015, Hartmann et al. 2018, Hammond et al. in preparation. The map currently is being populated with ~1000 precisely georeferenced research plots that document these mortality events by William Hammond. Tree height data are from Simard et al., 2011. Graphic: International Tree Mortality Network.