Afloat in the Ocean, Expanding Islands of Trash – NY TIMES

“Scientists say the garbage patch is just one of five that may be caught in giant gyres scattered around the world’s oceans. Abandoned fishing gear like buoys, fishing line and nets account for some of the waste, but other items come from land after washing into storm drains and out to sea.”

http://www.nytimes.com/2009/11/10/science/10patch.html?_r=1