This week, we hear a three-part series from our partners at KUNC titled “Where the River Ends.” Because cities and farms in the southwest rely so heavily on the Colorado River, its last 100 miles in northern Mexico run dry. It’s a clear illustration that every drop of the river is spoken for. Tune in and learn more.

[photo: The Colorado River's inability to reach the Pacific Ocean has become one of its defining characteristics, emblematic of the southwest's reliance on the overallocated river system. Luke Runyon/KUNC]