Trash is a problem in Puerto Rico
Submitted on 7 December 2009 - 3:53pm
This article is reproduced by CienciaPR with permission from the original source.
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By Gerardo E. Alvarado León / galvarado@elnuevodia.com
endi.com
For more information see the Spanish version of the article or contact our editor Mónica Feliú Mójer