AeroFarms grows greens under intense LED grow lights, while their roots are bathed in a nutrient-rich mist. Courtesy of AeroFarms hide caption

toggle caption Courtesy of AeroFarms

The taste of Mock's tomatoes starts with the seed. He uses only organic varieties, including cherry and several heirloom varieties. Allison Aubrey/NPR hide caption

toggle caption Allison Aubrey/NPR