This week, for the first time in decades, the Colorado River flowed to its natural end in the Gulf of California. But it was the opposite of a natural event. The artificially engineered “pulse flow” that pushed the waters all the way to the Gulf required an unprecedented collaboration between the U.S. and Mexico, wading into a complex body of laws around a basic question: to whom does a river belong? Read more…

Read more here:
How the Colorado River Finally Reached the Sea Again