Shrinking the Gulf of Mexico's Massive ‘Dead Zone'

The Gulf of Mexico's “dead zone” is a region as large as the size of Massachusetts where there is very little oxygen in the water and ocean life can't thrive. But to find a key source of “dead zone” pollutants, you have to travel up the Mississippi River to the farm belt of the Upper Midwest. NBCLX storyteller Jalyn Henderson talked to some farmers who are trying to find innovative alternatives to some of the agriculture industry’s most damaging practices.