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Ocean Currents

News, opinions, photos and facts from Ocean Conservancy

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Another Brick in the Wall: Plastics in the Seafood We Eat

Posted On September 24, 2015 by

Marine debris litters a beach on Laysan Island in the Hawaiian Islands National Wildlife Refuge, where it washed ashore.

Photo: Susan White / U.S. Fish and Wildlife Service

If you have been reading my recent posts, you have noticed that I have been discussing the emerging science on plastic pollution in the ocean and exploring what we need to do to stem the tide. It started in February, when a groundbreaking study showed that 8 million tons (nearly 17 billion pounds) of plastic flows into the ocean each year, mostly from a small number of Asian nations where local waste management can’t keep up with rapidly growing plastic use. Then scientists estimated that nearly all the worlds’ seabirds will be contaminated by plastics by 2050 unless conditions don’t change.  And a study published only days later showed that half the globe’s sea turtles are likely to suffer the same fate. Today, we need to think carefully about the latest study, showing that plastics can be found in many of the fish that we eat. We don’t yet know if eating plastic-laden fish negatively impacts our health, but today’s study is another brick in the growing wall of scientific evidence that demonstrates that plastics are a major threat to the global ocean and ultimately, ourselves.

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Ocean Plastic Pollution: Groundhog Day, But This Time with Sea Turtles

Posted On September 15, 2015 by

Olive Ridley sea turtle. Photo by: Matthew Dolkas.

I got a kick out of Groundhog Day, the comedy starring Bill Murray and Andie MacDowell that was released in 1993. With Murray waking each day to relive Groundhog Day alongside Punxsutawney Phil and his co-anchor, the movie was lighthearted and fun. But the science of ocean plastic pollution is starting to feel a lot like Groundhog Day. And the storyline is becoming much more troubling with each new publication.

This week a new study in the peer-reviewed journal Global Change Biology calculates that over half of the world’s sea turtles have ingested plastic; this follows on the heels of a publication last month by some of the same scientists that predicted that nearly all of the world’s seabirds would be contaminated with plastics by 2050 unless action is taken soon. With each new publication, the case for a global strategy to stem the tide of plastics into the world’s oceans becomes ever more vital.

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Plastics in Seabirds: A Pervasive and Growing Problem That Requires Global Action

Posted On August 31, 2015 by

You have likely seen the pictures of albatross chicks chocking on plastics. These images are tough to look at and the death these birds suffer from ingesting plastics is gruesome and painful. Albatross consume a whole range of plastics that float in the ocean, from cigarette lighters, to toothbrushes to shards of plastics from a huge variety of other plastic products. As a conservation organization, Ocean Conservancy is deeply troubled by the impact of plastics on these magnificent birds. But how pervasive is this problem, really? A new paper in the peer-reviewed journal PNAS gives us a disturbing answer. It turns out plastics in seabirds is a very big deal. It is global, pervasive and increasing. And it has to be stopped.

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In Peru, A Picture’s Worth a Thousand Pounds (of Trash)

Posted On May 22, 2015 by

I had the great fortune to head south of the equator last September for Ocean Conservancy’s 29th International Coastal Cleanup. VIDA Peru, Ocean Conservancy’s longtime Cleanup partner in Peru, invited me to participate in a weeklong series of events on ocean trash, culminating with one of their country’s signature Cleanup events at Marquez Beach. Having been my first time to Peru, and South America for that matter, I was uncertain of the beach and waterway conditions I’d find. Unfortunately, as I spoke more and more with folks from VIDA Peru in advance of the Cleanups, my expectations of clean beaches were quickly dispelled.

I asked Arturo Medina, President of VIDA Peru, what the major culprits were for ocean trash in Peru. He noted that “the waste infrastructure is drastically lacking in Peru to handle the increased waste flows. Ultimately, it all ends up in the rivers, on the beaches and flowing into the sea. Legal and illegal dumpsites located directly on the beaches are also a major issue, yielding steady streams of debris into the water.” I witnessed this first hand as one such site was visible on the beach as I sat on my surfboard offshore—dump truck after dump truck offloading rubbish onto the sand.

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Saving the Oceans from Plastic: A Field Report from Belize

Posted On May 20, 2015 by

Some people would call Belize paradise.  Having recently returned, I can’t say I disagree, but I also saw threats to the beauty on the surface. I spent a week in Belize researching the connection between waste management, plastic pollution and ocean health in this Central American country. As Chief Scientist, I’m working closely with our Trash Free Seas® team to build on our 30-year history of protecting our ocean from the growing threat of ocean trash.

I toured much of the country with independent consultant Ted Siegler from DSM Environmental Services, gaining a firsthand perspective on how recent investments in waste management systems in Belize are improving ocean health but learning how much farther the country needs to go. A former British colony, Belize is frequented by tourists for its beautiful beaches and tropical breezes. But Ted and I visited many sights never seen by these outsiders. The upshot? Trash is a major problem in Belize, as it is in many developing countries.  And it is increasingly clear that this has big consequences for the health of the ocean.

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(E)PS, We Don’t Love You

Posted On January 12, 2015 by

New York City officially became the largest U.S. city to ban expanded polystyrene (EPS) foam last week! The momentum for EPS bans has been steadily increasing, and more than 70 cities have made the cut!

Frequently used for take-out containers, disposable drink cups and other single-use products, EPS is a hazard to our environment—not only because of its brittle nature and propensity to fragment into small pieces—but also because it can’t be recycled, economically. This is compounded by the fact that we use so much of it! Last year, the city of New York collected about 28,500 tons of polystyrene! (That’s a lot of take-out!)

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Nowhere to Hide: More Than Fish May be Impacted by Plastic Pollution

Posted On July 23, 2014 by

The problem of plastics in the ocean has been receiving a lot of attention recently.  You might even say it’s “trending.” As it should be.  Ideas about how to clean up the mess are circulating around the internet, including input from professional ocean scientists on how likely these ideas are to really be effective.  But the cutting edge of scientific inquiry is assessing the extent to which plastics in the ocean – especially tiny fragments called microplastics – are impacting marine life.  A recent study suggests it’s not just fish that might be eating plastic.

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