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A Drone Army Is Rising Against Ocean Plastics

Solutions to remove garbage from the sea have boomed in past years, but a lot more is needed to end plastic pollution

The garbage-collecting BeachBot rover during a demonstration at a beach in the Netherlands.

The garbage-collecting BeachBot rover during a demonstration at a beach in the Netherlands.

Source: TechTics/Project.BB

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Floating drones inspired by whale sharks and four-wheeled robots that resemble the Mars rover are among the latest inventions designed to remove litter from the oceans.