From Talking Trash with Captain Charles Moore at TED2009:

At this year’s TED, Capt. Charles Moore of the Algalita Marine Research Foundation gave a short talk on how plastic waste is choking the seas, killing birds and poisoning fish. Anyone who has been inspired by Sylvia Earle’s talk and wish will not want to miss this devastating presentation.

7min 20sec
Click the fullscreen button or the link above if you want to see it in the correct aspect ratio.