Historic 1972 Marine Mammal Protection Act Worked, Scientists Say
In the fall of 1972, then-President Richard Nixon signed the Marine Mammal Protection Act, providing sweeping protections for whales, dolphins, seals and other species swimming in U.S. waters whose populations had dwindled due to commercial fishing and accidental killing. More than 40 years later, a new report shows that the law has been very effective.
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