Active sonar—bouncing sound waves off physical objects to produce an underwater map—is a major threat to marine mammals. Photo source: ©© Mike Baird
Excerpts;
A federal judge stands up to the noisy navy for the sake of marine mammals…
Read Full Article, On Earth Magazine
Judge: Navy’s Hawaii, California Training Plan Inadequate, ABC News
A federal judge on Tuesday said the National Marine Fisheries Service violated environmental laws when it approved the Navy’s plans for training in waters off Hawaii and Southern California…
Navy study: Sonar, Blasts Might Hurt More Sea Life, AP (09-26-2013)
Accoustic Pollution and Naval Sonar testing
Over the past 40 years, cumulative research across the globe has revealed a coincidence between naval sonar testing events and acute decompression sickness in beached marine mammals. Under a plan announced by the NOAA, marine mammal “hot spots” in areas including Southern California’s coastal waters, may become off limits to testing of a type of Navy sonar linked to the deaths of whales.