The Colorado River does not make it to the sea.  It’s all used up 70 miles before it gets there, leaving the Colorado River Delta parched.  Over 75 percent of the water extracted goes to agriculture.  Whenever something about water use comes up in the press, watering lawns always comes up.  That is the wrong grass.  It’s not lawns draining the river, it’s hay.  Buying up the virtual property right of water rights from farmers and ranchers is called “water ranching.”   I’ll try to find more on that in the future.  In the meanwhile, here’s a piece from the New York Times on the river, and another interesting blog from a recent author on the subject, Jonathan Waterman (great name.)