On Thursday evening, a small, underwater farm in Gowanus celebrated its first harvest. The crop, 20 pounds of dried kelp, was stored in burlap sacks hanging from the rafters of an old, disused barge.

As CEO of Saco kelp processor Atlantic Sea Farms, Briana Warner has overseen its rapid growth and retail expansion. This year working with 27 “partner-farmers,” the company harvested 450,000 pounds of ...

For decades, Maine fisherman Steve Train has made a living catching lobsters and other seafood. But as warming water off the Maine coast makes the future of the fishery more uncertain, he’s also now ...