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A dolphin trapped in a fishing net

Study raises concern about methods used to stop dolphins being caught in nets

Dolphins and porpoises continue to die in huge numbers in fishing gear but even some...
Majestic fin whales

Icelandic whalers kill first fin whales in four years

As feared, whale hunters in Iceland have slaughtered at least two fin whales, the first...

Majority of Icelandic people think whaling harms their country’s reputation

With the very real prospect of Iceland's only fin whale hunter, Kristján Loftsson sending boats...
Humpback whale underwater

Humpback whale rescued from shark net in Australia

A humpback whale and her calf have managed to escape after becoming entangled in a...

US Navy sonar illegal rules court

A Court of Appeal in California, has ruled regulations allowing the US Navy to use a low-frequency sonar for training violate the US Marine Mammal Protection Act.

The US Navy currently uses this particular type of sonar in more than half of the world’s ocean, which potentially harms whales, dolphins, and other marine mammals like seals and walruses.

In 2012, the US Navy had been authorized to use the high-intensity long-range sonar — called low-frequency active sonar, or LFA — for five years across more than 70 percent of the world’s oceans. LFA helps detect quiet foreign submarines and involves the use of 18 speakers lowered hundreds of feet below the surface.

Low-frequency sound pulses of about 215 decibels (dB) are pumped out over hundreds of miles of ocean, which can then disturb whales and dolphins as they rely on underwater sound to navigate, communicate, breed and for catching prey to eat. 

More on noise pollution here