Water
Colorado, San Pedro make annual list of ‘most endangered’ U.S. rivers – Cronkite News
Photo: The San Pedro River Two Arizona rivers landed on an annual list of the top 10 “most endangered” rivers in the U.S. this week, including the drought-ravaged Colorado in the No. 1 spot. The San Pedro River in southern Arizona made eighth place on the list because of groundwater pumping that has caused once-free-flowing