My name is boyan slat, and i'm the founder and ceo at the ocean cleanup. there's two things that we do. on one hand, we clean up the legacy pollution in these ocean garbage patches. we developed these very long u—shaped barriers, that we pull forth at a very slow speed so that it's safe for marine life, and filters out the plastic, retains that, and then every few days we take the system out vertically, we take the plastic to land for recycling. the current system that we have out there, 800 metres in length, but already it has cleaned up almost 200,000 kilos of plastic, which is 0.2% of the...