A San Francisco federal appeals court has ruled that the US Navy’s sonar levels is harming whales and other marine mammals and has ordered that they must be scaled back.
— Lisa Farnan (@mennekinpis) July 16, 2016
According to the decision by the Ninth US Circuit Court in San Francisco on Friday, US officials wrongly allowed the Navy to use sonar at levels that harmed marine mammals, and the Navy would have to scale back low-frequency sonar in the Atlantic, Pacific and Indian Oceans as well as the Mediterranean Sea, under authority granted in 2012.
The Navy uses sonar to detect enemy submarines and claims no other type of sonar can fulfill its needs.
Environmental groups, led by the Natural Resource Defense Council (NRDC), challenged the government in a 2012 lawsuit, arguing the Obama administration had approved emissions at sound levels that violated the Marine Mammal Protection Act. The National Marine Fisheries Service then approved the Navy’s plan to deploy 18 deepwater loudspeakers over a five-year period.
Environmentalists argued the artificial underwater noise like sonar can cause hearing loss in marine mammals, make them abandon habitats, and impede their ability to navigate, communicate, mate and catch prey.
“The result is that a meaningful proportion of the world‘s marine mammal habitat is under-protected,” Judge Ronald Gould said in the 3-0 ruling, which would also set standards for future renewals of the program, according to the San Francisco Gate. He said the government had failed to comply with a law that requires it to make sure its peacetime oceanic programs have “the least practicable adverse impact on marine mammals.”
A federal magistrate had previously disagreed with the environmentalists. But Friday’s decision overruled that ruling, and the court said government officials had disregarded their own experts’ warnings about the impacts of sonar.
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