Digging in the dirt and pulling up weeds is so last century. Whatever you thought about farming is being reimagined, with a new generation plowing the industry into the future. The tools and rural open spaces — which have so long defined traditional farming — are being left behind. More and more, today's farms are in urban areas — with vertical farming taking agriculture to new heights while ocean farming expands the industry's depths — all in a sustainable manner.

Bren Smith, executive director and co-founder of GreenWave, a nonprofit that supports ocean farmers. Bren is also the owner of Thimble Island Ocean Farm and author of "Eat Like A Fish: My Adventures Farming the Ocean to Fight Climate Change."

Jon Friedman, chief operating officer and co-founder of Freight Farms, a Boston-based AgTech company that has spearheaded 'container farming.'

Listen to the podcast here.