Four months into its testing phase, the Ocean Cleanup's plastic-catching device isn't catching as much plastic as intended.
A young innovator wants to remove all the plastic from the Great Pacific Garbage Patch. But his invention, a long floating boom, is moving too slowly to hold the trash it collects.
The giant, U-shaped tube is designed to form a garbage-corralling barrier propelled by wind and waves. Its creator hopes to remove half the plastic in the Great Pacific Garbage Patch in five years.