How does a state use 40 percent less water?
Arizona, California, and Nevada will need to cut their use of Colorado River water by nearly 40 percent by 2050. A study by researchers at Utah State University, which the Arizona Daily Star reported this past Sunday, noted that Colorado, New Mexico, Utah, and Wyoming—the Upper Basin states—will have to reduce their usage, as well, though not by as much as those pulling water from the Lower Basin.
Related article: