This link has been bookmarked by 10 people . It was first bookmarked on 12 Oct 2007, by Arne Løining.
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04 Feb 11
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The circular winds produce circular ocean currents that spiral into a center where there is a slight down-welling Scientists know this atmospheric phenomenon as the subtropical high, and the ocean current it creates as the north Pacific central or sub-tropical gyre.
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Plastics are now virtually everywhere in our modern society. We drink out of them, eat off of them, sit on them - even drive in them. They're durable, lightweight, cheap and can be made into virtually anything But it is these useful properties of plastics that make them so harmful when they end up in the environment
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If plastic doesn't biodegrade, what does it do? It photo-degrades - a process in which it is broken down by sunlight into smaller and smaller pieces, all of which are still plastic polymers, eventually becoming individual molecules of plastic, still too tough for anything to digest
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For the last 50-odd years
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what amounts to floating plastic sand of all sizes on the creatures that inhabit this area Our photographers captured images of jellyfish hopelessly entangled in frayed line, and transparent filter feeding organisms with colorful plastic fragments in their bellies.
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Ninety percent of Hawaiian green sea turtles nest here and eat the debris, mistaking it for their natural food, as do laysan and black-footed albatross. Indeed, the stomach contents of laysan albatross look like the cigarette lighter shelf at a convenience store they contain so many of them
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As these fragments float around in the ocean, they accumulate the poisons we manufacture for various purposes that are not water-soluble.
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23 Oct 08
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10 Aug 08
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02 Dec 07
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22 Nov 07
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12 Oct 07
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06 Oct 05
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