A deep rethink of the Colorado River
Much has been said about a “new normal” in the Colorado River Basin. The phrase describes reduced flows in the 21st century as compared to those during much of the 20th century. Authors of a new study contemplate something beyond, what they call a “new abnormal.” The future, they say, might be far dryer than water managers have been planning for. … In the 133-page report, they identified a wide variety of alternative management ideas, not simple tweaks but “significant modifications or entirely new approaches.”