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Science in Seconds - Pacific Garbage Patch

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Science in Seconds Know Everything RANTS - Pacific Garbage Patch Rheanna Sand: We throw a lot of [bleep] into the ocean. And Mother Earth, like most good moms, sweeps it up into a neat pile for us. But like the spoilt ungrateful brats we are, we can't even clean that up. The Great Pacific Garbage Patch is a floating massive refuse the size of Texas. This disgusting island of plastic has collected to the North Pacific Gyre, one of many whirlpool-like areas created where ocean currents interact. Scientists predicted that gyres could collect trash in this way, and this massive one was finally confirmed in the 1990s by one unfortunate sea explorer. When you look at a garbage patch like this, the visible refuse is most appalling. But the patch is mostly small pieces of plastic suspended just below the surface, and is a big problem for ocean life. The plastic makes its way into plankton feeders, then into feeder fish, and so on up the food chain. It also releases chemicals that can mimic sex hormones in fish, and turn males into females, among other drastic effects. The small pieces are created through photodegradation, the chopping up of long plastic molecules into smaller ones by sunlight. Therefore, the longer the plastic is exposed, the worse the degradation gets. But there is one hope – Project Kaisei, a non-profit out of San Francisco and Hong Kong, will launch vessels in the summer of 2010 to look at the logistics of a clean-up. Well, at least someone is acting like a good child. Courtesy of Science in Seconds – All rights reserved Only for educational/non-profit purposes. (Translators are invited to put their name here)

Video Details

Duration: 1 minute and 47 seconds
Year: 2010
Country: United States
Language: English
License: All rights reserved
Producer: Science in Seconds
Director: Science in Seconds
Views: 46
Posted by: tradottiinitaliano on Sep 10, 2011

At the centre of the Pacific, an area the size of the Texas represents a big danger for the ecosystem.

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