Summit County: By now its no secret that global warming will have a significant impact on water supplies in parts of the world, and regions where water is already scarce will be first to feel the pinch That includes the interior West, where winter snowpack provides critical water storage. Already, projections show that spring runoff is coming much earlier than just a few years ago, and that, in many areas, more of the total annual precipitation is falling as rain. In a new study, a team of researchers tried...