How to stop plastic getting into the ocean

Plastic pollution poses a major threat to ocean life. Meet the engineers who are using rubbish-guzzling boats to stem the flow at its source. Read more here: https://econ.st/3d0bjCe. Film supported by @blancpain Click here to subscribe to The Economist on YouTube: https://econ.st/2xvTKdy For more from Economist Films visit: http://films.economist.com/