The Colorado River is supposed to end at the Gulf of California, but hasn’t done so for decades. A joint effort between the United States and Mexico seeks to change that.

Today, we travel to the Colorado River Delta to see what’s happening. Read the full transcript here.

Host: Gustavo Arellano

Guests: L.A. Times water reporter Ian James

More reading:

A pulse of water revives the dry Colorado River Delta

The river’s end: Amid Colorado water cuts, Mexico seeks to restore its lost oasis

Listen to our special Colorado River series here