Pingie: HTTP:: Dead Zones Increase 100 Percent Every 10 Years

HTTP:: Dead Zones Increase 100 Percent Every 10 Years
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Dead zones is a term used to describe areas of the oceans or seas that have been so heavily contaminated with pollutants, that it's virtually impossible for fish and other marine animals to live there. Only some types of algae manage to survive in the toxic conditions, and, by thriving, they consume the short supplies of oxygen that may have remained in the water. A new study, funded by the National Science Foundation, has determined that the number of dead zones around the globe is increasing by 100 percent every decade. Currently, more than 400 have been identified, LiveScience reports. The situation is worse during the summer months, when virtually no lifeforms exist in these areas. And the dead zones are not covering just a few square miles around factories and river mouths, but hundreds or thousands of square miles of shorelines. They can also be found farther out into the sea, depending on how currents flow in the respective region. The NSF research has determined tha!
t the number (not the area) of dead zones in the world's oceans doubles once every ten years, which is a fast-progressing rate, by any standards. This means that pollution continues to flow unimpeded in the water, in spite of international pledges and stricter regulations. Among the factors responsible for...
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http://news.softpedia.com/news/Dead-Zones-Increase-100-Percent-Every-10-Years-123870.shtml
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