Last year, we told you about Vincent Callebaut’s amazing 128-floor vertical farm concept to green the New York City skyline . Now, he’s moved his eco-friendly designs to the waterways with the Physalia–a floating garden transport vessel that not only produces enough energy

to sustain itself , but generates a bit to spare. In addition to being carbon-neutral , the boat is… Read the full story on TreeHugger

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Boat Concept Produces More Energy than it Uses