Italian start-up Mold has developed an innovative system called River Cleaning to combat plastic pollution in rivers before the waste reaches the sea. https://t.co/3zLIqt7x8y https://video.twimg.com/ext_tw_video/1831955649988620288/pu/vid/avc1/1024x576/AJC37dHf3gO6ZVwW.mp4?tag=12