On an azure ocean wave... there's a f***ing massive vortex of plastic waste

All I really need to say is: read these articles.

http://www.viceland.com/int/v15n2/htdocs/oh_this_is_great.php
http://www.sfgate.com/cgi-bin/article.cgi?file=/gate/archive/2007/10/26/notes102607.DTL
And watch http://www.youtube.com/watch?v=G9oSikW3eUM