Capt. Charles Moore of the Algalita Marine Research Foundation was the first to discover the Great Pacific Garbage Patch -- an endless floating mass of plastic trash and debris. In this first of two segments, he's drawing attention to the growing, choking problem of plastic debris in our seas.

Here's the second segment of Charles Moore's sobering report on the Great Pacific Garbage Patch. In it he draws dramatic attention to the potentially catastrophic problem posed by dumping plastic debris into our in-land waterways.