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Viral ‘plastic-eating’ boat removes 3 tons of garbage per hour: ‘This is actually so cool’
(lighthouse-eco.co.za)
Environmental and ecological discussion, particularly of things like weather and other natural phenomena (especially if they're not breaking news).
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The boat is playing infrasound noise to scare animals away. The catch is sorted manually, where they remove animals and other organic matter.
I wouldn't worry about jellyfish particularly. There's way too many of them.