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The on-again, off-again debate about offshore seismic acquisition and its potential harm to marine life, and particularly marine mammals, is on again. In mid-April, Oceana, a marine conservation group, estimated that nearly 140,000 whales and dolphins would be injured or displaced if the Obama administration allows offshore seismic to be shot along the U.S. Atlantic coast. The group cited a Bureau of Ocean Energy Management (BOEM) environmental study released in 2012 that estimated that seismic acquisition could negatively impact as many as 11,748 bottlenose dolphins, 4,631 short-finned pilot whales and 6,147 short-beaked common dolphins, in addition to eliminating some of the remaining 500 endangered North Atlantic right whales.

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