A solution that intercepts plastics in rivers and canals before it reaches the ocean. This is done using a bubble screen by pumping air through a tube with holes in it, which is located on the bottom of the waterway. The Bubble Barrier creates an upwards thrust, which brings waste to the surface of the water. By placing it diagonally in the waterway, the Bubble Barrier uses the natural current to guide the plastic to the catchment system at the riverside. Both ships as fish can pass the Bubble Barrier, but plastic will be stopped.

[Source: The Bubble Barrier]