ClimateCentral: Even as the number of Americans relying on the Colorado River for household water swells to about 40 million, global warming appears to be taking a chunk out of the flows that feed their reservoirs.
Winter storms over the Rocky Mountains provide much of the water that courses down the heavily tapped waterway, which spills through deep gorges of the Southwest and into Mexico.
But flows in recent decades have been lighter than would have been expected given annual rain and snowfall rates - and...