Great white sharks are attracted to the warm oceancurrents along Australia's southern coastline and are a constant concern for divers who work in the sea.
And he describes the Great Pacific Garbage Patch, an enormous expanse of the Pacific Ocean where currents concentrate the trash over a continent-sized area.
En route to Australia, Plastiki will sail through the infamous North Pacific Gyre, now home to "The Great Garbage Patch, " named due to the high levels of waste that have been drawn there by oceancurrents.