A truckload of rubbish enters the ocean every minute. Boyan Slat is on a mission to remove it. He’s the founder of The Ocean Cleanup, one of the organisations ridding the oceans of plastic.

But how does so much rubbish end up in the ocean to begin with? Boyan explains.

One solution is to stop the flow from polluted rivers. You may have spotted clean-up videos on TikTok, especially in Bali. We speak to local Giri Winckler who is picking up plastic piece by piece.

Email: whatintheworld@bbc.co.uk WhatsApp: +44 0330 12 33 22 6 Presenters: Alex Rhodes with Mora Morrison Producer: William Lee Adams Editors: Verity Wilde and Simon Peeks