Emily Fohr

Thursday, Oct. 4, 2018

How beach clean up helps keep plastic out of the Great Pacific Garbage Patch

SANTA MONICA, Calif. – Bottle caps. Plastic spoons. Paper cups.

Volunteers who hit the beaches on Coastal Cleanup Day in September collected 734,000 pounds of this kind of trash and recyclable materials, according to the California Coastal Commission .

“It’s good for the volunteers to come out to understand we only have one ocean, only one beach, and it’s up to us to keep it clean for the next generations,” volunteer Art Salter said.

In addition to keeping the beaches clean, these kinds of cleanup efforts are meant to help keep plastics and debris from joining the Great Pacific Garbage Patch, an enormous, swirling collection of plastic and marine debris in the Pacific Ocean between Hawaii and California.

It’s difficult to estimate the size of the patch – it’s constantly changing because of ocean currents and winds, according to the National Oceanic and Atmospheric Association.

Researchers have tried, though. A study published in the journal Scientific Reports in March suggested the patch contains 16 times more trash than previously reported. And the patch spans more than 600,000 square miles – that’s about three times the size of France.

The Ocean Cleanup , a Netherlands-based nonprofit, funded the research through a
crowd-funding campaign. The nonprofit is developing a system to try to catch some of that trash.

But the task in daunting.

Beth Polidoro, an associate professor of marine toxicology at Arizona State University, estimates about 80 percent of the Great Pacific Garbage Patch is made up plastic pollution from fishing nets to lighters. (Photo by NOAA)

“It’s massive. It really kind of scares me a little bit to be honest with you,” said Beth Polidoro, associate professor of marine toxicology at Arizona State University.

Polidoro has a research grant from the National Oceanic and Atmospheric Administration to study the risks associated with plastic litter and microplastics in marine ecosystems and seafood, according to ASU Now .

In the past 15 years, she said, there has been explosive growth in plastic use and plastic disposal, particularly of single-use plastics, such as grocery bags and utensils.

She said about 80 percent of the Great Pacific Garbage Patch is made up plastic pollution, items such as fishing nets, furniture and tiny pieces of plastic.

“So, our sea animals are actually eating microplastics or plastic debris, and that has the potential to transfer up the food chain, to us,” Polidoro said.

Polidoro said there are simple ways to reduce plastic use and keep it out of the ocean, such as using stainless steel water bottles and using fabric shopping bags at the grocery store.

People also can volunteer for cleanup efforts.

Salter helped lead the team cleaning up a site north of the Santa Monica Beach pier as part of the statewide Coastal Cleanup Day.

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Salter volunteers for Heal the Bay, a Santa Monica-based environmental advocacy nonprofit, that each year helps Los Angeles County clean up beaches. He said he was inspired to get involved after noticing trash during a trip to the beach with his family 10 years ago.

“I called Heal the Bay and I asked them, ‘Do you need any extra site captains?’ and they jumped on it right away and gave me Santa Monica Pier North,” Salter said.

Salter said Santa Monica Pier North is one of about 1,000 beach cleanup sites in California.

More than 53,000 volunteers helped with 2018’s Coastal Cleanup Day.

Such efforts are a stepping stone, Polidoro said.

“There’s no one organization or one type of institution that’s going to solve this problem,” she said. “It’s really up to us, as a society, to decide we want to have a clean, healthy environment because we care about our public health.”

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