If we believe what the global warming/rising sea-level doomsayers assert, we must all learn to live more comfortably with large bodies of water.
This presents architects and home designers with a possible new market for floating homes that do not look like boats. And leading the pack is Giancarlo Zema, who has created the Jelly-fish 45 Habitat (left), a house that allows up to six people to live both above and below the water level.