The purpose of this study is to assist fire resource managers to characterize and reduce uncertainty, identify fire risk, and improve decision-making processes in the wildland/urban interface as well as the broader forested wildlands. We propose expanding the existing NED decision support system so that it can be used by fire resource managers to assess and reduce the risk of fire hazard to human life; financial loss of property from a fire incident; and provide an evaluation of the impact of various fuels manipulation/reduction methods on future fire behavior and severity as well as ecosystem function, health, and productivity. This study is composed of 4 major tasks: (1) produce risk assessment guidelines for fuels management in wildland/urban interfaces; (2) provide guidelines for evaluating the impact of fuels management strategies on wildland ecosystems; (3) expand the NED DSS to incorporate new fire risk reduction and fuels management goals; and (4) test the new system for internal accuracy and user utility.