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Science

Watch the 'Interceptor' trash fence stop a literal wave of garbage from flowing into the ocean

Innovation at its best

interceptor trash fence, ocean pollution, river pollution

Literal islands of trash get created on the surface of the Caribbean Sea. This barrier aims to stop that.

The Interceptor Trashfence might sound like something out of an offbeat science fiction movie, but it's a very real tool being used to thwart further pollution in our oceans.

The Ocean Cleaunup, a nonprofit focused on technology that prevents plastics in rivers from drifting into the ocean, posted a video to YouTube revealing a trial of one of its latest innovations—The Interceptor Trashfence.

Living up to its name, the giant chain link fence was placed in Guatemala's Rio Motagua Basin, which The Ocean Cleanup believes to be the “heaviest polluting river in the world.” With an estimated 20,000 tons of plastic flowing through it each year, it’s a pretty safe assumption.

All of that waste goes directly into the Caribbean Sea, where blankets of garbage can be seen floating on the water’s surface. In 2017, the body of water was dubbed “the sea of plastic'' after disturbing photos showing those immense amounts of litter went viral.

However, with this trash fence intercepting an incoming tsunami of trash, there’s hope that the Caribbean Sea might return to its former glory.


The video shows the approaching wave, edging ever closer to the Interceptor. As the water impacts the Trashfence’s sturdy steel beams, all the plastic can be seen staying behind. It will take countless hours to clean up the literal mountains of trash left behind, but the good news is, the oceans would be clean and clear.

As the video progresses, we see that the Interceptor is not quite foolproof yet. Some bits of plastic are able to flow through certain weak spots in the fence. Still, the amount of garbage that stays behind is remarkable.

It’s hard to tell what is more uplifting— seeing the filtered water go about its merry way, or the look of delight the workers have at seeing their experiment get that much closer to success.

Many well-wishing commenters left their advice on how to prevent a potential breach in the future, such as molding the fence into a V shape pointing upstream, or doing a multifence approach. Others just came in to praise the nonprofit's efforts.

"Man this is heartbreaking to see yet so inspirational. You guys are doing amazing work," one person wrote.

Another added, "We need more people like you and the effort you put into this project to save our world for future generations and keep us from killing off our planet."

Even if the Interceptor wasn’t completely victorious, the overwhelming amount of trash accumulated could be enough of a shocking visual to at least bring a sense of urgency to the situation. As The Ocean Cleanup explained in the description section of its video, 1000 rivers are responsible for roughly 80% of ocean pollution. A twofold combination of removing plastic that’s already there, as well as stopping new plastic from entering (i.e., “closing the tap”), is essential.

The Interceptor is an innovative piece of technology, but a positive impact still primarily lies in the everyday choices we make as individuals. Relying less on single-use plastic items—making sure to bring cloth bags to grocery stores, not using plastic straws, opting for glass containers over Tupperware, and so on—is one small thing that can make a big difference. If there’s any doubt, just take another look at the video for a sobering reminder.

Planet

Easy (and free!) ways to save the ocean

The ocean is the heart of our planet. It needs our help to be healthy.

Ocean Wise

Volunteers at a local shoreline cleanup

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The ocean covers over 71% of the Earth’s surface and serves as our planet’s heart. Ocean currents circulate vital heat, moisture, and nutrients around the globe to influence and regulate our climate, similar to the human circulatory system. Cool, right?

Our ocean systems provide us with everything from fresh oxygen to fresh food. We need it to survive and thrive—and when the ocean struggles to function healthfully, the whole world is affected.

Pollution, overfishing, and climate change are the three biggest challenges preventing the ocean from doing its job, and it needs our help now more than ever. Humans created the problem; now humans are responsible for solving it.

#BeOceanWise is a global rallying cry to do what you can for the ocean, because we need the ocean and the ocean needs us. If you’re wondering how—or if—you can make a difference, the answer is a resounding YES. There are a myriad of ways you can help, even if you don’t live near a body of water. For example, you can focus on reducing the amount of plastic you purchase for yourself or your family.

Another easy way to help clean up our oceans is to be aware of what’s known as the “dirty dozen.” Every year, scientists release an updated list of the most-found litter scattered along shorelines. The biggest culprit? Single-use beverage and food items such as foam cups, straws, bottle caps, and cigarette butts. If you can’t cut single-use plastic out of your life completely, we understand. Just make sure to correctly recycle plastic when you are finished using it. A staggering 3 million tons of plastic ends up in our oceans annually. Imagine the difference we could make if everyone recycled!

The 2022 "Dirty Dozen" ListOcean Wise

If you live near a shoreline, help clean it up! Organize or join an effort to take action and make a positive impact in your community alongside your friends, family, or colleagues. You can also tag @oceanwise on social if you spot a beach that needs some love. The location will be added to Ocean Wise’s system so you can submit data on the litter found during future Shoreline Cleanups. This data helps Ocean Wise work with businesses and governments to stop plastic pollution at its source. In Canada, Ocean Wise data helped inform a federal ban on unnecessary single-use plastics. Small but important actions like these greatly help reduce the litter that ends up in our ocean.

Ocean Wise, a conservation organization on a mission to restore and protect our oceans, is focused on empowering and educating everyone from individuals to governments on how to protect our waters. They are making conservation happen through five big initiatives: monitoring and protecting whales, fighting climate change and restoring biodiversity, innovating for a plastic-free ocean, protecting and restoring fish stocks, and finally, educating and empowering youth. The non-profit believes that in order to rebuild a resilient and vibrant ocean within the next ten years, everyone needs to take action.

Become an Ocean Wise ally and share your knowledge with others. The more people who know how badly the ocean needs our help, the better! Now is a great time to commit to being a part of something bigger and get our oceans healthy again.

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