Naval maneuvers and submarine sonars in oceans are a new factor among many threatening dolphins, whales and porpoises that depend on sound to survive, the United Nations and marine experts said on Wednesday. These low frequency sounds travel vast distances, hundreds if not thousands of kilometers from the source," [Mark Simmonds of the Whale and Dolphin Society] told Reuters. UNEP said underwater sonar and military maneuvers threatened more than 4 percent of species, although Simmonds indicated all were affected. In October, a coalition of environmental groups sued the U.S. Navy over its use of sonar, saying the ear-splitting sounds violated environmental protection laws. The report by UNEP and the Convention on Migratory Species (CMS) says species like the Beluga whale, Blanville's beaked whale and the Goosebeak whale are seriously at risk from noise pollution.
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