Under current conditions and according to models predicting future climate change, the water supply from the Colorado River system is not sustainable, says a recent study.

"Scheduled deliveries of water from Lake Mead, created by Hoover Dam, could be missed 60 to 90 percent of the time by midcentury if human-caused climate change continues to make the region drier," said research marine physicist Tim Barnett, of the Scripps Institution of Oceanography at the University of California, San Diego. "People knew this could happen 30 years ago, but few have paid any attention to it. We think it’s time for them to do that" ... Full Story