The Waterpod --"a floating, sculptural, eco-habitat designed for the rising tides"--has docked alongside the South Street Seaport, shoulder to shoulder with Water Taxi Beach. And though they're experiencing "technical difficulties" in opening to the public, I got the chance to climb aboard for a tour. Mary at her bunk, with view of Brooklyn Bridge I talked with Waterpod founder Mary Mattingly , an artist formerly living in Queens, and two of her shipmates, Alison Ward and Mira Hunter . Mary walked me around the barge and showed me their chickens, the gardens planted with edibles like corn, squash, lettuce, and strawberries, along with flowers for attracting bees and other pollinators. She explained how rainwater is cycled through various systems and how the Waterpod might one day be fully sustainable, providing shelter for displaced people. She's thinking about global warming and over-crowding, the Earth running out of space. But the Waterpod made me think ...