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Boyan Slat’s Ocean Cleanup System nicknamed ‘Wilson’ broke when first deployed, but its creator is buoyant about the second attempt to clean up the Great Pacific garbage patch. Photograph: The Ocean Cleanup

Great Pacific garbage patch: giant plastic trap put to sea again

Floating boom is designed to trap 1.8 trillion items of plastic without harming marine life – but broke apart last time

WT24 Desk

A floating device designed to catch plastic waste has been redeployed in a second attempt to clean up a huge island of garbage swirling in the Pacific Ocean between California and Hawaii, AP reports.

Boyan Slat, creator of the Ocean Cleanup project, announced on Twitter that a 600-metre (2,000-foot) long floating boom that broke apart late last year was sent back to the Great Pacific garbage patch this week after four months of repair.

A ship towed the U-shaped barrier from San Francisco to the patch in September to trap the plastic. But during the four months at sea, the boom broke apart under constant waves and wind and the boom wasn’t retaining the plastic it caught.

“Hopefully nature doesn’t have too many surprises in store for us this time,” Slat tweeted. “Either way, we’re set to learn a lot from this campaign.”

Fitted with solar-powered lights, cameras, sensors and satellite antennas, the device intends to communicate its position at all times, allowing a support vessel to fish out the collected plastic every few months and transport it to dry land.

The plastic barrier with a tapered 3-metre deep (10-foot deep) screen is intended to act like a coastline, trapping some of the 1.8tn pieces of plastic that scientists estimate are swirling in the patch while allowing marine life to safely swim beneath it.

During its first run, the organisation said marine biologists on board the support vessel did not observe any environmental impact.

Slat has said he hopes one day to deploy 60 of the devices to skim plastic debris off the surface of the ocean.

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