Posted by Chris Knight on March 30, 2004 at 09:48:31:
The United Nations Environment Program annouced in their Global Environment Outlook Yearbook that there are now at least 150 dead zones in the worlds oceans. These areas are caused by excessive runoff of nitrogen from fertilizer and other man-made causes which result in massive plankton blooms that deplete the oxygen in the water at the expense of other ocean life.