When most people think of farming, they think about growing crops outside. When Gus Brennan, Head Grower at Greenswell Growers, thinks about farming, he thinks about growing inside, through an innovative agricultural process called hydroponics. Learn everything you need to know about this sustainable system of farming - and its potential impact on food insecurity - in this week's episode of CommonHealth.

With special guest: Gus Brennan, Head Grower, Greenswell Growers Hosted by: Adrienne Harden, RDN