Pacific Ocean
The project is intended to track the health of sharks, turtles and sea snakes that live in the high seas.
"What we are doing is unprecedented," says its inventor.
It could could clean up half of the Great Pacific Garbage Patch in five years.
The 50-year-old will swim for eight hours a day.
Much of it appears to have come from the vast "garbage patch" in the Pacific 😳
'I was on the phone with my cousins and we thought they were going to die.'
Pacific Island nations are highly dependent on fisheries as a food source.
'You can almost sense it’s power from 250 miles above.'