Van Lange et al.'s global CLASH model overemphasizes climatic origins and underemphasizes economic origins of aggression. Our 167-country analysis of latitudinal gradients of heat, poverty, and aggression finds that heat-induced aggression is mediated by poverty and that heat tempers rather than fuels poverty-induced aggression. More importantly, the CLASH model hints at latitudinal, equatorial, and hemispheric upgradings of climato-economic modeling of human behavior.