What can 28,000 rubber duckies lost at sea teach us about our oceans?
A shipping container filled with rubber duckies was lost at sea in 1992, and the bath toys are still washing ashore today.
Photo: poolie/Flickr 
- The Great Pacific Ocean Garbage Patch: What is it and how did it form?
- Follow The Plastiki, a ship made of recycled bottles that is raising awareness of plastic trash
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