So Where Does The Oceans' Plastic Waste Come From?

Graphic showing the estimated quantities of mismanaged macroplastics in the water, according to OECD data (Credit: AFP)

In the form of bottles, tyres, packaging and piping, millions of tonnes of plastic waste are dumped every year in the world's waterways, often ending up in the oceans.

And their amount could almost double by 2060, unless strong measures are taken against the pollution, the Organisation for Economic Cooperation and Development (OECD) warns.