One way to keep birds and other animals safe from plastic rubbish is to collect it before they have a chance to eat it.
The Waste Shark is tested in Rotterdam harbour (Supplied) Photo: Supplied
The Waste Shark is a car-sized robotic catamaran that collects rubbish in a net between its twin hulls and then takes it to a dock where it can be disposed of.
Richard Hardiman came up with the idea, and has been trialling the technology at the giant port of Rotterdam.
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