 The results of this study suggest that climate change will have significant impacts on the hydrology and water resources of the Colorado River Basin. Temperature and precipitation are projected to increase in some areas while decreasing in others. This could lead to decreased river flows and reduced storage capacity in reservoirs. Additionally, the study found that the frequency of shortage events may increase due to decreased releases from Glen Canyon Dam. This article was authored by N. S. Christensen and D. P. Lettenmayer.