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miércoles, 7 de julio de 2010

NOTICIA MODELO - la contaminación de las aguas

LA NOTICIA a continuación debe considerarse una noticia "compleja", diferente a aquella que llamamos discreta o puntual.

WASHINGTON — A sobering new report warns that the oceans face a "fundamental and irreversible ecological transformation" not seen in millions of years as greenhouse gases and climate change already have affected temperature, acidity, sea and oxygen levels, the food chain and possibly major currents that could alter global weather.
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