<p>A riser assembly (400) and method for transporting fluids from a sub- sea location (404) are disclosed. The riser (406) assembly includes a riser comprising at least one segment of flexible pipe; at least one buoyancy element (408) for providing a positive buoyancy to a portion of the riser; and a tethering element (410) for tethering the buoyancy element to a fixed structure (412 ) and to resist the positive buoyancy of the buoyancy element.</p>