Figure — Cascade of uncertainties typical in impact assessments showing the “uncertainty explosion” as these ranges are multiplied to encompass a comprehensive range of future consequences, including physical, economic, social, and political impacts and policy responses (source: modified after Jones, 2000, and the “cascading pyramid of uncertainties” in Schneider, 1983; see Schneider and Kuntz-Duriseti, 2002, Figure 2.3).