“…Different types of uncertainty can be distinguished, some of which may be possible to quantify (e.g., Benetto, Dujet, and Rousseaux 2006, Peche and Rodriguez 2011, Ross, Booker, and Montoya 2013, while other types are not due to lack of knowledge about the components and structure of the environmental or socioeconomic systems affected (Duncan 2013;Bond et al 2015). For each environmental component (e.g., air, water, soils, wildlife) identified in each EIS, specific uncertainties in mitigation, contingency plans, and follow-up programs were then categorized based on: (1) what the uncertainty was generally about; (2) the nature and level of uncertainty disclosure; and (3) how the uncertainty was addressed.…”