Ocean ‘dead zones’ expanding worldwide: study
Ocean 'dead zones' expanding worldwide: studyAugust 15, 2008; AFP, Washingtonhttp://afp.google.com/article/ALeqM5imNw46Qtnbj-iu2kI06tYJoWEVIQ WASHINGTON (AFP) — Oceanic "dead zones" where marine life cannot survive have been steadily increasing over the past five decades and now encompass 400 coastal areas of the world, a US-Swedish study said Friday.The number of these areas, in which aquatic ecosystems disappear due to [...]