From Woods Hole Oceanographic Institution:

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• “Tracking a snow globe of microplastics“
• “WHOI Marine Microplastics Initiative“
• “Sweat the small stuff“
• “A hitchhiker’s guide to the ocean“
• “Behold the Plastisphere“
• “Plastic“
• “What happens to plastic in the sea?“

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Update, 2019-02-14

Jessica Donahue, from Sea Education Association, on plastic in oceans: