One Kid, One Question, One Ocean
- 11 hours ago
- 4 min read
It only takes one question to push someone into action, just as it did for Boyan Slat, who at the age of 16 was confronted with a plastic-filled Mediterranean sea and asked: “Why can’t we just clean this up?” Instead of going home and forgetting about what he saw, Boyan threw himself into action.
A school project became a TED talk. This viral presentation gained enough momentum that, in 2013, Boyan Slat dropped out of university and founded The Ocean Cleanup, a non-profit organization dedicated to removing plastic pollution from our oceans. Based in Rotterdam, Netherlands, the organization is now staffed by over 150 people and is the leader in waterway cleanup around the world.
Plastic in Our Oceans
Every year, hundreds of thousands of tons of plastic enter the world's oceans. This plastic from land masses travels by ocean currents and accumulates in 5 enormous whirlpools across the globe (NOAA, 2026). The largest accumulation site is known as the Great Pacific Garbage Patch, a submerged mass of plastic estimated to cover twice the size of the state of Texas.
The challenge today is that the plastic pollution in our ocean isn’t an easily spotted island of waste; it’s dispersed under the surface. As plastic travels through our water, it slowly breaks down into smaller and smaller pieces known as microplastics. These microplastics are then consumed by animals and have already entered our global food supply. A growing body of research is showing that microplastics are not only degrading our environment and ecosystems, but they are also starting to become a major health risk worldwide (Mišľanová et al., 2024).
Originally, The Ocean Cleanup designed and deployed ocean plastic catch systems that were specifically designed to skim the surface with special nets that could let wildlife pass through. More recently, the Ocean Cleanup's own research found something both alarming and useful: just 1,000 of the world's approximately three million rivers are responsible for 80% of all riverine plastic pollution flowing into the ocean. That means the problem, while massive, has identifiable chokepoints. And chokepoints can be addressed.
Meet the Interceptor
To combat the flow of plastic from rivers, The Ocean Cleanup designed a vessel called the Interceptor to capture floating plastic before it reaches the sea. Every river is different, so the Interceptor is modified to efficiently catch debris in various settings.
Interceptor Original: solar-powered autonomous vessel with a conveyor belt that catches plastic and loads it into dumpsters.
Interceptor Barrier: A U-shaped floating net that catches plastic at the mouths of rivers.
Interceptor Barricade: for extreme environments where monsoon floods can cause “trash tsunamis” to barrel down the river.
To date, these systems have collectively intercepted over 40 million kilograms of trash from rivers worldwide. Interceptors are currently operating in Indonesia, Malaysia, the Dominican Republic, Vietnam, the United States, Thailand, Jamaica, and Guatemala, among others.
The river program is a beautiful combination of science and community coordination. At the start of each project, the team will analyze the river using technology such as drones and remote sensing to carefully map the river and waterway. The team also meets with locals and works with the existing waste management systems, which helps engage the surrounding community. The trash that is collected is sorted, with a large effort to recycle as much of the plastic as possible, and also analyzing the source of the trash to start tackling those root causes.
Thinking Bigger: The 30 Cities Program
With the success of single river cleanups, the Ocean Cleanup is transitioning to an even larger project: pollution management in entire cities. The 30 Cities Program takes the Interceptor program and expands it to cover all the waterways in a given urban area. Part of this expansion is adding additional steps, such as “coastal sweeps,” which involve cleaning the coastal beaches or ecosystems downstream of the Interceptors to further control the problem.
The program is currently active or in preparation in eight cities: Mumbai (India), Jakarta (Indonesia), Montego Bay (Jamaica), Kuala Lumpur (Malaysia), Panama City (Panama), Manila (Philippines), Bangkok (Thailand), and Los Angeles (United States). The Ocean Cleanup estimates that this program alone could reduce global riverine plastic pollution flowing into the ocean by up to one-third.
What’s important to note is that this program is designed to outlast The Ocean Cleanup's presence in these specific areas. Local city governments and communities are involved in these projects from the beginning, which provides the necessary training, support and equipment to maintain clean waterways on their own.
What’s Our Takeaway?
Boyan Slat is a prime example of what an activist is. He didn't wait for someone older, more qualified, or better funded to act. He was faced with a problem, asked a question, and then took action. With research and dedication, Slat built something that could tackle the problem that concerned him.
None of us needs to build an Interceptor. But we can ask questions, voice our minds, and take action. We can support organizations doing this work through donations, through fundraising, or simply through sharing their stories. We can gather with our communities and clean up our local creek, or even do it by ourselves. And most importantly, we can stay informed and do our best to inform others.
The Ocean Cleanup's goal is to remove 90% of floating ocean plastic by 2040. They want, as they put it, to put themselves out of business.
That's the kind of ambition the climate movement needs more of.
How You Can Help
You can support The Ocean Cleanup's work directly at theoceancleanup.com/donate, or start your own fundraiser at fund.theoceancleanup.com. You can also nominate a river in your region for future Interceptor deployment, or become a Citizen Scientist by helping to document plastic pollution in your local waterways. Follow their progress and updates at theoceancleanup.com.
Sources & Credits
The Ocean Cleanup — About: https://theoceancleanup.com/about/
The Ocean Cleanup — Rivers / Interceptors: https://theoceancleanup.com/rivers/
NOAA (2026). What are garbage patches? Accessed from: https://oceanservice.noaa.gov/education/tutorial-coastal/marine-debris/md05.html#:~:text=Garbage%20patches%20are%20large%20areas,see%20any%20debris%20at%20all.
Mišľanová C, Valachovičová M, Slezáková Z. (2024). An Overview of the Possible Exposure of Infants to Microplastics. Life (Basel). Mar 12;14(3):371. doi: 10.3390/life14030371. PMID: 38541696; PMCID: PMC10971803.
"World's largest collection of ocean garbage is twice the size of Texas". USA Today. Archived from the original on 15 February 2020.
Photos: The Ocean Cleanup Media Gallery — https://theoceancleanup.com/media-gallery/ (© The Ocean Cleanup, used with credit)