Down To a Single Delta Smelt

Tension is growing between California farmers, like Shawn Coburn, who want more water and environmentalists who want to protect endangered species in the San Joaquin-Sacramento River Delta. One of those endangered species is the delta smelt, a pinky-sized fish that’s nearing extinction. Earlier this month, scientists found a single delta smelt remaining in the Delta River. What does that mean for the future of the fish?