Water fights are nothing new in the Western U.S. Arizona and California battled for decades, and, though there’s more cooperation now, states that use Colorado River water are attempting to plan to make sure there’s enough for the short and long-term futures.

On Monday, the U.S. Supreme Court heard a case involving Texas, New Mexico and Colorado in a disagreement over usage of the Rio Grande.

Environmental reporter Laura Paskus of New Mexico Political Report attended the high court’s oral arguments and is with me from Washington.