I know there have been posts about this before, but CNN is prominently featuring this great report on a research trip to the Trash Island that's building in the North Pacific. Worth a look.
http://www.cnn.com/2010/WORLD/americas/02/...dex.html?hpt=C1
http://www.cnn.com/2010/WORLD/americas/02/...dex.html?hpt=C1