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Marine Scientists Report Massive "Dead Zones" [View All]

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Mr_Jefferson_24 Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Oct-06-06 01:45 PM
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Marine Scientists Report Massive "Dead Zones"
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by Stephen Leahy

http://www.commondreams.org/headlines06/1006-04.htm

<snip>

Rising tides of untreated sewage and plastic debris are seriously threatening marine life and habitat around the globe, the United Nations Environment Programme (UNEP) warned in a report Wednesday. The number of ocean "dead zones" has grown from 150 in 2004 to about 200 today, said Nick Nuttall, a UNEP spokesperson.

"These are becoming more common in developing countries," Nuttall told IPS from Nairobi, Kenya.

Dead zones can encompass areas of ocean 100,000 square kms in size where little can live because there is no oxygen left in the water. Nitrogen pollution, mainly from farm fertilisers and sewage, produces blooms of algae that absorb all of the oxygen in the water.

Growing global populations, mainly concentrated along coastlines, and the resulting increase in untreated sewage are endangering human health and wildlife, as well as livelihoods from fisheries to tourism, according to the "State of the Marine Environment" report...

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